[Notice] Japan & China Golden Week holidays will start from 29 April to 6 May 2026. Kindly expect longer response from suppliers and possible delivery delay due to high volume of shipments after holiday. Early order placement is recommended. More details
[Announcement] MISUMI Malaysia website new user interface. Clearer navigation, easy product search and more. Explore now! May contact us at (60) 3 7890 6399 for any inquiries.

Comments

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy

Thank you for your cooperation.

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.

Customer Privacy Policy

MISUMI Flat Belt Pulleys, Idlers（Length L：~500）

Search by specifying the lower class category

10 items

: 30; 45; 60

Days to Ship	All 1 Day(s) or Less 2 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less

Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510

MISUMI

· Product type : Pulleys.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: RBWAC and RBWWC.
· The series code of Crosspiece Groove type: RBWAM and RBWWM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Press Fit Bushing Material: Aluminum Alloy.
· Surface Treatment solution: Clear Anodize (For only RBWWC and RBWWM type)
· Outer Diameter: 18-78 mm.
· Shaft (Bore) Diameter: 8-50 mm.
· Length: 110-510 mm.
· Economy Idlers for Flat Belts-Straight Type/ Crosspiece Groove Straight Type/ Crowned Type.

CAD ：

2D / 3D

Days to Ship: 7 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500

MISUMI

· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: ROFAWC, ROFMWC and ROFSWC
· The product code series Crowned Type: ROFAWT, ROFMWT and ROFSWT
· The product code series Crosspiece Groove Straight: ROFAWM, ROFMWM and ROFSWM
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110-510 mm.
· Idler Engineering Plastic Roller, Steel Roller (TC-RP, TC-RU)

CAD ：

2D / 3D

Days to Ship: 7 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Economy Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500

MISUMI

· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: RFWAS and RFWWS.
· The product code series Crosspiece Groove Straight: RFWAC and RFWWC.
· The product code series Crowned Type: RFWAM and RFWWM.
· Idlers Material: Aluminum Alloy
· Outer Diameter: 18-78. mm.
· Shaft (Bore) Diameter: 8-15 mm.
· Length: 110-510 mm.
· MC Nylon Flat Idler MCF

CAD ：

2D / 3D

Days to Ship: 9 Day(s)

"Same Day Ship Out" is available for item with 1 day
MiSUMi Economy
Flat Belts Idlers Width 110 - 500

MISUMI

RoHS
Days to Ship: 7 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
MiSUMi Economy

Flat Belt Pulley, Simple Type, Width L = 110 ~ 500

MISUMI

This is an economy item, The price is cheaper than the MISUMI standard product.

Days to Ship: 7 Day(s)

"Same Day Ship Out" is available for item with 1 day
Pulley for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Width L110-500

MISUMI

· The Pulleys for Flat Belts ROBAWC, ROBMWC, ROBSWC, ROBAWM, ROBMWM and ROBSWM types are specific pulleys manufactured by MISUMI.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: ROBAWC, ROBMWC and ROBSWC.
· The series code of Crosspiece Groove type: ROBAWM, ROBMWM and ROBSWM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy, STKM13A and SUS304.
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110 - 510 mm.
· Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type

CAD ：

2D / 3D

Days to Ship: 7 Day(s)

"Same Day Ship Out" is available for item with 1 day
Economy Pulleys for Flat Belts with Urethane-Crowned/Crosspiece Groove Straight

MISUMI

· Shape of Pulleys: Crowned and Crosspiece Groove Straight.
· The series code of Crowned type: RWBCU and RWBCG.
· The series code of Crosspiece Groove Straight type: RWBMU and RWBMG.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Lining material: Urethane (Natural Color).
· Hardness: Shore A70 and Shore A90.
· Outer Diameter: 28 - 78 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length dimension: 110 - 500 mm.
· The urethane-coated is specially coated or designed to minimize friction and wear.
· NIP, NIPA, NIPS, NIP-SUS Pulley Idler

CAD ：

2D / 3D

Days to Ship: 11 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

Days to Ship:	7 Day(s) or more

Days to Ship:	7 Day(s) or more

Days to Ship:	9 Day(s)

Days to Ship:	7 Day(s) or more

Days to Ship:	7 Day(s)

Days to Ship:	7 Day(s)

Days to Ship:	11 Day(s) or more

[Clean & Pack]Pulleys for Flat Belts - Width L = 110 to 510

MISUMI

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■ Part Number for Clean & Pack Products

· Degreasing (Anti-rust single packing)	: Part Number SL-□□
· Precision cleaning (degassing double packing)	: Part Number SH-□□
· Electrolytic polishing + precision cleaning (degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

Selectable from Crowned with the center slightly higher than both ends and Crosspiece Groove Straight.

[Material]Aluminum Alloy, STKM13 A, SUS304
[Surface Treatment]Clear Anodize, Electroless Nickel Plating
[Type]Pulley
[Pulley Shape]Crowned (No Flange), Crosspiece Groove Straight (No Flange)
[Pulley Width: L (mm)]110 to 510
[Shaft Bore Type] Round Hole + Tap, Keyway + Tap (New JIS)

CAD ：: 2D / 3D

Days to Ship:	6 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

[Clean & Pack]Pulleys for Flat Belts - Pipe Material Type - Width L = 110 to 510

MISUMI

■ Part Number for Clean & Pack Products

· Degreasing (Anti-rust single packing)	: Part Number SL-□□
· Precision cleaning (degassing double packing)	: Part Number SH-□□
· Electrolytic polishing + precision cleaning (degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

Use of thin pipes has realized price reduction by average 32% compared to the conventional products.

[Material]Surface: Aluminum Alloy
[Surface Treatment]Clear Anodize
[Type]Pulley
[Pulley Shape]Crowned (No Flange), Crosspiece Groove Straight (No Flange)
[Pulley Width: L (mm)]110 to 510
[Shaft Bore Type] Round Hole + Tap, Keyway + Tap (New JIS)

CAD ：: 2D / 3D

Days to Ship:	6 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

MiSUMi Economy

Flat Belt Pulley, Width L = 110 ~ 500

MISUMI

This is an economy item, The price is cheaper than the MISUMI standard product.

Days to Ship: 7 Day(s)

"Same Day Ship Out" is available for item with 1 day

Days to Ship:	7 Day(s)


Brand
Product Series
CAD
Days to Ship
Specifications
Shape
Environmentally Friendly
With or w/o Flange
Properties / applications
Outer Dia. D(Ø)
Nominal Width T(mm)
Length L(mm)
Flange Shape
Type
Material
Shaft Type
Surface Urethane
Shaft (Bore) Dia. d(mm)
Surface Treatment
Shaft End Specification
Cleaning Method


Brand	MISUMI	MISUMI	MISUMI	MISUMI MiSUMi Economy	MISUMI MiSUMi Economy	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI MiSUMi Economy
Product Series	Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510	Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500	Economy Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500	Flat Belts Idlers Width 110 - 500	Flat Belt Pulley, Simple Type, Width L = 110 ~ 500	Pulley for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Width L110-500	Economy Pulleys for Flat Belts with Urethane-Crowned/Crosspiece Groove Straight	[Clean & Pack]Pulleys for Flat Belts - Width L = 110 to 510	[Clean & Pack]Pulleys for Flat Belts - Pipe Material Type - Width L = 110 to 510	Flat Belt Pulley, Width L = 110 ~ 500
CAD	2D / 3D	2D / 3D	2D / 3D			2D / 3D	2D / 3D	2D / 3D	2D / 3D
Days to Ship	7 Day(s) or more	7 Day(s) or more	9 Day(s)	7 Day(s) or more	7 Day(s)	7 Day(s)	11 Day(s) or more	6 Day(s) or more	6 Day(s) or more	7 Day(s)
Specifications				RoHS
Shape	Crowned / V-Groove	Straight / Crowned / V-Groove	Straight / Crowned / V-Groove	Straight / Crowned / V-Groove	Crowned / V-Groove	Crowned / V-Groove	Crowned / V-Groove	Crowned / V-Groove	Crowned / V-Groove	Crowned / V-Groove
Environmentally Friendly	-	-	-	-	-	-	-	RoHS compliant (10 substances)	RoHS compliant (10 substances)	-
With or w/o Flange	No Flange	No Flange	No Flange	No Flange	No Flange	No Flange	No Flange	No Flange	No Flange	No Flange
Properties / applications	-	-	-	-	-	-	-	Clean washing ～ Non-Magnetic	Clean washing ～ Vacuum	-
Outer Dia. D(Ø)	18 ～ 78	30 ～ 80	18 ～ 78	30 ～ 80	18 ～ 78	30 ～ 80	28 ～ 78	30 ～ 80	18 ～ 78	30 ～ 80
Nominal Width T(mm)	-	-	-	-	-	-	-	-	-	-
Length L(mm)	~500	~500	~500	~500	~500	~500	~500	~500	~500	~500
Flange Shape	-	-	-	-	-	-	-	-	-	-
Type	Pulleys	Idlers (Bearing Built-in)	Idlers (Bearing Built-in)	Idlers (Bearing Built-in)	Pulleys	Pulleys	Pulleys	Pulleys	Pulleys	Pulleys
Material	Aluminum	Steel / Aluminum / Stainless Steel	Aluminum	Steel / Aluminum / Stainless Steel	Aluminum	Steel / Aluminum / Stainless Steel	Aluminum	Aluminum	Aluminum	Steel / Aluminum
Shaft Type	Round Hole	1-Bearing on Each End (2-Bearing in Total)	1-Bearing on Each End (2-Bearing in Total)	1-Bearing on Each End (2-Bearing in Total)	Round Hole	Round Hole	Round Hole	Round Hole	Round Hole	Round Hole
Surface Urethane	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided
Shaft (Bore) Dia. d(mm)	8 ～ 50	8 ～ 25	8 ～ 40	0 ～ 35	8 ～ 50	8 ～ 35	8 ～ 35	8 ～ 35	8 ～ 50	8 ～ 35
Surface Treatment	Not Provided / Clear Anodize	Not Provided / Electroless Nickel Plating / Clear Anodize	Not Provided / Clear Anodize	Not Provided / Electroless Nickel Plating / Clear Anodize	Not Provided / Clear Anodize	Not Provided / Electroless Nickel Plating / Clear Anodize	Not Provided	Clear Anodize	Not Provided / Clear Anodize	Not Provided / Electroless Nickel Plating / Clear Anodize
Shaft End Specification	Tap / Keyway + Tap	-	-	-	Tap / Keyway + Tap	Tap / Keyway + Tap	Tap / Keyway + Tap	Tap / Keyway + Tap	Tap / Keyway + Tap	Tap / Keyway + Tap
Cleaning Method	-	-	-	-	-	-	-	Degreasing / Precision Cleaning	Degreasing / Precision Cleaning / Electrolytic polishing + precision cleaning	-

Configure

Specification/Dimensions

Shape
- Straight
- Crowned
- V-Groove
Larger Image

Clear

Environmentally Friendly
- RoHS compliant (10 substances)
Clear

With or w/o Flange
- Flange
- No Flange
Larger Image

Clear

Properties / applications
Clean washing

Conductive / Antistatic

Corrosion resistance / chemical resistance

Insulation Property

Low Dust Generation

Non-Magnetic

Vacuum
Details

Clear

Outer Dia. D(Ø)
15

18

20

24

25

28

29

30

34

35

38

40

43

44.5

45

48

49.5

50

54

55

57

58

60

63

64

65

70

73

74

75

78

80

100
Drawing

Clear

Nominal Width T(mm)
6

7.5

10.5

11

12

14.5

15

16

19

19.5

20

21

24

24.5

25

26

27

29

30

32

34

34.5

35

40

41

44

45

49

50

54

55

60

65

70

80

92
Drawing

Clear