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Non-backlash Pulleys S8M Type (Part Numbers)

[Material]
· Pulley: Extra super duralumin aluminum alloy, S45C equivalent, SUS304
· Flange: Aluminum alloy, SPCC
[Surface treatment]
· Clear anodize, black anodize, hard clear anodize (firm hardness 300HV~), electroless nickel plating, black iron oxide coating

(i)Caution

Please note that the swaged flange options, NFC, RFC, and LFC, are not reflected in the CAD data.
Please check the content on our website as the PDF does not contain the most up-to-date information.

Part Number

Configured Part Number is shown.

Drawing/Specifications
3D Preview
Part Numbers
More Information
Catalog
Technical Information

Non-backlash Pulleys S8M Type:Related Image

Part Number				[ M ] Material		[ S ] Surface Treatment
Belt Width 15mm	Belt Width 25mm	Belt Width 30mm	Belt Width 40mm	Pulley	Flange
A: 17 W: 22 L: 37(42)	A: 28 W: 33 L: 48(53)	A: 33 W: 38 L: 53(58)	A: 44 W: 49 L: 64(69)	Pulley	Flange
BLPA_ _S8M150	BLPA_ _S8M250	BLPA_ _S8M300	BLPA_ _S8M400	7075 Aluminum Alloy (Extra Super Duralumin)	A5052	Clear Anodize
BLPK_ _S8M150	BLPK_ _S8M250	BLPK_ _S8M300	BLPK_ _S8M400			Hard Clear Anodize^*
BLPN_ _S8M150	BLPN_ _S8M250	BLPN_ _S8M300	BLPN_ _S8M400			Electroless Nickel Plating
BLPT_ _S8M150	BLPT_ _S8M250	BLPT_ _S8M300	BLPT_ _S8M400	S45C	SPCC	-
BLPM_ _S8M150	BLPM_ _S8M250	BLPM_ _S8M300	BLPM_ _S8M400			Black Oxide
BLPP_ _S8M150	BLPP_ _S8M250	BLPP_ _S8M300	BLPP_ _S8M400			Electroless Nickel Plating

[ ! ]Flange attached. Set screws are attached to Shaft Bore Specifications P, N and C.
[ ! ]L Dimensions in () are for 44~60 toothed pulleys.
*Hard Anodize Treatment: Film Hardness 300HV~
[ ! ] Due to vibrations during transportation, the set screw may become detached from the main body.

Specifications

Part Number

Pulley Shape

Shaft Bore Spec. / Inner Dia.

(Shaft Bore : H / P / N / C)

BLPA40S8M150

N30

(Shaft Bore: V / F)

BLPK60S8M400

F40

Z60

J25.0

(Shaft Bore: Y)

BLPA20S8M250

Y15

Q20

R23

T15

Part Number

Pulley
Shape

Shaft Bore
Specifications

Shaft Bore Spec. (1mm Increment)

P.D.

O.D.

N / C

V / F

Type

Teeth

Type
Nominal Width

d_H7

d_H₇

Z_H7

J (0.1mm Increment)

Q_H7 / R_H7

S / T

AShape

BShape

AShape

BShape

AShape

BShape

AShape

BShape

AShape

BShape

AShape / BShape

AShape

(7075 Aluminum Alloy)
BLPA
BLPK
BLPN

(S45C)
BLPT
BLPM
BLPP

S8M150
*A :17
*W :22
*L :37
(L: 42)

S8M250
*A :28
*W :33
*L :48
(L: 53)

S8M300
*A :33
*W :38
*L :53
(L: 58)

S8M400
*A :44
*W :49
*L :64
(L: 69)

A

B

H

P

N

C

V

F

Y

12~28

12~26

12~22

12~26

12~20

12~26

14~28

(For A Shape)
3.0≤J≤W-3.0

(For B Shape)
3.0≤J≤L-3.0

12~26

14~28

3~23
S+T≤W-3

45.84

44.46

12~32

12~31

12~28

12~25

12~28

12~20

12~30

12~29

14~32

14~31

12~30

14~32

48.38

47.01

12~32

12~30

12~26

12~30

12~22

12~30

14~32

12~30

14~32

50.93

49.56

12~37

12~36

12~32

12~30

12~32

12~24

12~35

12~34

14~37

14~36

12~35

14~37

53.48

52.10

12~37

12~34

12~30

12~34

12~25

12~35

14~37

12~35

14~37

56.02

54.65

12~42

12~40

12~34

12~40

12~28

12~40

14~42

12~40

14~42

61.12

59.74

12~48

12~44

12~40

12~36

12~40

12~28

12~46

12~42

14~48

14~44

12~46

14~48

63.66

62.29

14~50

14~47

14~45

14~39

14~45

14~31

14~48

14~45

16~50

16~47

14~48

16~50

66.21

64.84

14~52

14~51

14~48

14~43

14~48

14~35

14~50

14~49

16~52

16~51

14~50

16~52

71.30

69.93

14~59

14~56

14~50

14~46

14~50

14~38

14~57

14~54

16~59

16~56

14~57

16~59

76.39

75.02

14~59

14~55

14~49

14~50

14~45

14~57

16~59

14~57

16~59

81.49

80.12

16~67

16~66

16~60

16~56

16~50

16~48

16~65

16~64

18~67

18~66

16~65

18~67

86.58

85.21

16~72

16~71

16~65

16~61

16~50

16~70

16~69

18~72

18~71

16~70

18~72

91.67

90.30

16~76

16~65

16~50

16~74

18~76

16~74

18~76

96.77

95.39

104

20~80

20~65

20~50

20~80

20~79

22~82

22~81

20~75

22~82

101.86

100.49

111

20~80

20~65

20~50

20~80

22~92

22~86

20~75

22~92

112.05

110.67

119

100

20~80

20~65

20~50

20~80

22~95

20~75

22~95

122.23

120.86

100

127

105

20~80

20~65

20~50

20~80

22~95

20~75

22~95

127.32

125.95

135

115

20~80

20~65

20~50

20~80

22~95

20~75

22~95

152.79

151.42

160

140

[ ! ]Z-d≥2 for shaft bore specification V and F. [ NG ]Shaft Bore Dia. 13, 14, 17, 21 ~ 50 are not available for Shaft Bore specification C.
[ ! ]Q(R)-d≥2 for shaft bore specification Y.
[ ! ]L Dimensions in () are for 44~60 toothed pulleys.

Alterations

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 60; 90

Part Number
BLPK48S8M250-B-C20
BLPK48S8M250-B-F[20-80/1]
BLPK48S8M250-B-H[20-80/1]
BLPK48S8M250-B-N[20-50/1]
BLPK48S8M250-B-P[20-65/1]
BLPK48S8M250-B-V[20-80/1]
BLPK48S8M300-A-C20
BLPK48S8M300-A-N[20-50/1]
BLPK48S8M300-A-P[20-65/1]
BLPK48S8M300-A-V[20-80/1]
BLPK48S8M300-A-Y[20-75/1]
BLPK48S8M300-B-C20
BLPK48S8M300-B-F[20-80/1]
BLPK48S8M300-B-H[20-80/1]
BLPK48S8M300-B-N[20-50/1]
BLPK48S8M300-B-P[20-65/1]
BLPK48S8M300-B-V[20-80/1]
BLPK48S8M400-A-C20
BLPK48S8M400-A-N[20-50/1]
BLPK48S8M400-A-P[20-65/1]
BLPK48S8M400-A-V[20-80/1]
BLPK48S8M400-A-Y[20-75/1]
BLPK48S8M400-B-C20
BLPK48S8M400-B-F[20-80/1]
BLPK48S8M400-B-H[20-80/1]
BLPK48S8M400-B-N[20-50/1]
BLPK48S8M400-B-P[20-65/1]
BLPK48S8M400-B-V[20-80/1]
BLPK50S8M150-A-C20
BLPK50S8M150-A-N[20-50/1]
BLPK50S8M150-A-P[20-65/1]
BLPK50S8M150-A-V[20-80/1]
BLPK50S8M150-A-Y[20-75/1]
BLPK50S8M150-B-C20
BLPK50S8M150-B-F[20-80/1]
BLPK50S8M150-B-H[20-80/1]
BLPK50S8M150-B-N[20-50/1]
BLPK50S8M150-B-P[20-65/1]
BLPK50S8M150-B-V[20-80/1]
BLPK50S8M250-A-C20
BLPK50S8M250-A-N[20-50/1]
BLPK50S8M250-A-P[20-65/1]
BLPK50S8M250-A-V[20-80/1]
BLPK50S8M250-A-Y[20-75/1]
BLPK50S8M250-B-C20
BLPK50S8M250-B-F[20-80/1]
BLPK50S8M250-B-H[20-80/1]
BLPK50S8M250-B-N[20-50/1]
BLPK50S8M250-B-P[20-65/1]
BLPK50S8M250-B-V[20-80/1]
BLPK50S8M300-A-C20
BLPK50S8M300-A-N[20-50/1]
BLPK50S8M300-A-P[20-65/1]
BLPK50S8M300-A-V[20-80/1]
BLPK50S8M300-A-Y[20-75/1]
BLPK50S8M300-B-C20
BLPK50S8M300-B-F[20-80/1]
BLPK50S8M300-B-H[20-80/1]
BLPK50S8M300-B-N[20-50/1]
BLPK50S8M300-B-P[20-65/1]
BLPK50S8M300-B-V[20-80/1]
BLPK50S8M400-A-C20
BLPK50S8M400-A-N[20-50/1]
BLPK50S8M400-A-P[20-65/1]
BLPK50S8M400-A-V[20-80/1]
BLPK50S8M400-A-Y[20-75/1]
BLPK50S8M400-B-C20
BLPK50S8M400-B-F[20-80/1]
BLPK50S8M400-B-H[20-80/1]
BLPK50S8M400-B-N[20-50/1]
BLPK50S8M400-B-P[20-65/1]
BLPK50S8M400-B-V[20-80/1]
BLPK60S8M150-A-C20
BLPK60S8M150-A-N[20-50/1]
BLPK60S8M150-A-P[20-65/1]
BLPK60S8M150-A-V[20-80/1]
BLPK60S8M150-A-Y[20-75/1]
BLPK60S8M150-B-C20
BLPK60S8M150-B-F[20-80/1]
BLPK60S8M150-B-H[20-80/1]
BLPK60S8M150-B-N[20-50/1]
BLPK60S8M150-B-P[20-65/1]
BLPK60S8M150-B-V[20-80/1]
BLPK60S8M250-A-C20
BLPK60S8M250-A-N[20-50/1]
BLPK60S8M250-A-P[20-65/1]
BLPK60S8M250-A-V[20-80/1]
BLPK60S8M250-A-Y[20-75/1]
BLPK60S8M250-B-C20
BLPK60S8M250-B-F[20-80/1]

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Belt Width Used (mm)	No. of Teeth (T)	Pulley Shape	Material	Surface Treatment	Shaft Bore Specifications (Both Ends Stepped Hole) [Y] (mm)	Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N] (mm)	Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C] (mm)	Shaft Bore Specifications (Round Hole + Tap) [P] (mm)	Shaft Bore Specifications (Round Hole) [H] (mm)	Shaft Bore Specifications (Stepped Hole) [V] (mm)	Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F] (mm)	Shaft Bore Specifications (Two-stepped Hole) [WB] (mm)
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	48	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	30	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	40	50	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	20 ～ 80	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	15	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	20 ～ 50	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	20 ～ 65	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	20 ～ 80	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape A	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	20 ～ 75	-	-	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	20	-	-	-	-	-
-	1 Piece(s)	7 Day(s)	10	25	60	Shape B	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Hard Clear Anodize	-	-	-	-	-	-	20 ～ 80	-

More Information

Product TOP

Basic Information

Type	Timing Pulleys	Belt Type	S8M	Timing Pulley / Idler	Pulleys

Configure

836 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Belt Width Used(mm)
15

25

30

40
Clear
No. of Teeth(T)
18

19

20

21

22

24

25

26

28

30

32

34

36

38

40

44

48

50

60
Clear
Pulley Shape
- Shape A
- Shape B
Clear
Material
- Steel
  - S45C Equivalent
- Aluminum
  - Extra Super Duralumin Series Aluminum Alloy
Clear
Shaft Bore Specifications (Both Ends Stepped Hole) [Y](mm)
[12-75/1mm Unit(s)]
Clear
Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N](mm)
55
[12-50/1mm Unit(s)]
Clear
Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C](mm)
12

15

16

18

19

20
Clear
Shaft Bore Specifications (Round Hole + Tap) [P](mm)
[12-65/1mm Unit(s)]
Clear
Shaft Bore Specifications (Round Hole) [H](mm)
[12-80/1mm Unit(s)]
Clear
Shaft Bore Specifications (Stepped Hole) [V](mm)
[12-80/1mm Unit(s)]
Clear
Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F](mm)
[12-80/1mm Unit(s)]
Clear
Shaft Bore Specifications (Two-stepped Hole) [WB](mm)
Clear
type
- BLPA□□S8M
- BLPK□□S8M
- BLPM□□S8M
- BLPN□□S8M
- BLPP□□S8M
- BLPT□□S8M
Clear
Surface Treatment
- Not Provided
- Black Oxide Coating
- Clear Anodize
- Hard Clear Anodize
- Electroless Nickel Plating
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

7 Day(s) or Less

8 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Non-backlash Pulleys S8M Type (Part Numbers)

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Specifications

Alterations

Part Number

More Information

Basic Information

Configure

Specification/Dimensions

Belt Width Used(mm)

No. of Teeth(T)

Pulley Shape

Material

Shaft Bore Specifications (Both Ends Stepped Hole) [Y](mm)

Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N](mm)

Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C](mm)

Shaft Bore Specifications (Round Hole + Tap) [P](mm)

Shaft Bore Specifications (Round Hole) [H](mm)

Shaft Bore Specifications (Stepped Hole) [V](mm)

Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F](mm)

Shaft Bore Specifications (Two-stepped Hole) [WB](mm)

type

Surface Treatment

CAD

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