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Support Units for Ball Screw, Fixed Side Round Type

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MISUMI

MiSUMi Economy

MISUMI

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

RoHS

Part Number

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Drawing/Specifications
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Part Numbers

Product Overview

Dimensional Drawing

■Material Table

Type	Material			Surface treatment
	①③	⑥	⑦	①③	⑥⑦
C-TFK	S45C equivalent	SUJ2equivalent	S20C equivalent	Black oxide	Black oxide
*C-TFKHR				Low Temperature Black Chrome Plating

(*)Marked Low Temperature Black Chrome Plating is under preparation. Currently special order request can be accepted under the condition of MOQ.

Support Unit Size and Rated Load

Bearing No.	Basic Dynamic Rated Load (N)	Basic Static Rated Load (N)
3	440	150
4	910	340
5	760	300
6	1580	580
8	2310	960
10	3330	1480
12	3640	1790
15	4170	2280
17	7350	3960
20	9800	5470
25	11060	6920
30	15400	9940

Specification Table

Part Number		Support side SET	Axis Diameter d	L	H	F	E	D	A	P.C.D.	B	L₁	T₁	d₁	d₂	ℓ	M (Fine Thread)	Oil Seal Corresponding Diameter
Type	No.
C-TFK (Black oxide) *C-TFKHR (Low Temperature Black Chrome Plating)	3	SET (Only when purchasing set)	3	15	6	9	17.7	18	32	24	25	5.5	2	3.4	6.5	4	M3×0.5	-
	4		4				19.7										M4 × 0.5
	5		5	16.5		10.5	18.7	20	34	26	26		2.5				M5 × 0.5
	6		6	20	7	13	22	22	35	28	28		3.5	2.9	5.5	3.5	M6 × 0.75	9.5
	8S		8	23	9	14	26	28	43	35	35	7	4	3.4	6.5	4	M8 × 1.0	10
	8																	11.5
	10S		10	27	10	17	29.5	34	52	42	42	7.5	5	4.5	8		M10 × 1.0	12
	10																	14.5
	12		12					36	54	44	44						M12 × 1.0	15.5
	15		15	32	15		36	40	63	50	52	10	6	5.5	9.5	6	M15 × 1.0	20
	17		17	45	22	23	47	50	77	62	61	11	9	6.6	11	10	M17 × 1.0	24.5
	20		20	52		30	50	57	85	70	68	8	10				M20 × 1.0	25
	25		25	57	27		60	63	98	80	79	13		9	15	13	M25 × 1.5	31.5
	30		30	62	30	32	61	75	117	95	93	11	12	11	17.5	15	M30 × 1.5	39.5

(1), (2), (3) , (4) and (5) are an integrated structure. Do not disassemble.

The SET includes the fixed side support unit and the supported side support unit.

The SET only available for Black oxide type, for low temperature chrome plating please choose the fix side and support side separately.

(*)Marked Low Temperature Black Chrome Plating is under preparation. Currently special order request can be accepted under the condition of MOQ.

Collar Diagram

Type	No.	D	V	L
C-TFK C-TFKHR	3	6	3	4.5
	4	6	4	4.5
	5	8	5	5.5
	6	9.5	6	5
	8S	10	8	5.5
	8	11.5	8	5.5
	10S	12	10	5.5
	10	14.5	10	5.5
	12	15.5	12	5.5
	15	19.5	15	10
	17	23.4	17	10
	20	25	20	11
	25	31.4	25	15
	30	36.5	30	9

Type	No.	M Fine Thread	B	m	d	D	F
C-TFK C-TFK-SET C-TFKHR	3	M3×0.5	5.2	M2.5	8	11.5	10
	4	M4 × 0.5	5.2	M2.5	8	11.5	10
	5	M5 × 0.5	5.2	M3	9	12.5	11
	6	M6 × 0.75	5	M3	10	14.5	12
	8S	M8 × 1.0	6.5	M3	13	17	14
	8	M8 × 1.0	6.5	M3	13	17	14
	10S	M10 × 1.0	8	M3	15	20	16
	10	M10 × 1.0	8	M3	15	20	16
	12	M12 × 1.0	8	M4	17	22	19
	15	M15 × 1.0	8	M4	21	25	22
	17	M17 × 1.0	13	M4	21	29	24
	20	M20 × 1.0	11	M4	26	35	30
	25	M25 × 1.5	15	M5	33	43	35
	30	M30 × 1.5	20	M6	39	48	40

Product Features

Suface treatment comparison:
The black oxide type is cost-effective and can resist corrosion if protective oil is applied regularly.
If it is used in a high-humidity environment or requires less maintenance, it is recommended to use the low-temperature black chrome type.

Specification	Black Oxide	Low-Temperature Black Chrome
Method	Chemical conversion on steel surface forming black oxide layer	Electroplating black chrome at low temperature, usually with Ni underlayer.
Surface Quality	Matte black, prone to fading with abrasion.	Deep black, smooth, durable color, high aesthetics.
Coating Thickness	Very thin, ~0.5–1.5 μm, almost no dimensional change.	0.3–2 μm, thicker if Ni underlayer is applied.
Corrosion Resistance	Moderate, depends on oil layer; not suitable for long-term outdoor use.	Very high, withstands humid/salty environments, long coating life.
Advantages	Low cost, fast, no dimensional change, easy to reprocess.	Superior corrosion resistance, hard, durable color, high aesthetics.
Disadvantages	Poor corrosion resistance without maintenance, easy fading.	Complex process, higher cost.

Usage Method

SET part number	SET Products Components
SET part number	Fixed side part number	Support side part number
C-TFK3-SET	C-TFK3	C-TFF3
C-TFK4-SETS	C-TFK4	C-TFF3
C-TFK4-SET	C-TFK4	C-TFF4
C-TFK5-SET	C-TFK5	C-TFF4
C-TFK6-SET	C-TFK6	C-TFF6
C-TFK8-SET	C-TFK8	C-TFF6
C-TFK8S-SET	C-TFK8S	C-TFF6
C-TFK10-SET	C-TFK10	C-TFF10
C-TFK10S-SET	C-TFK10S	C-TFF10
C-TFK12-SET	C-TFK12	C-TFF12
C-TFK15-SET	C-TFK15	C-TFF15
C-TFK17-SET	C-TFK17	C-TFF17
C-TFK20-SET	C-TFK20	C-TFF20
C-TFK25-SET	C-TFK25	C-TFF25
C-TFK30-SET	C-TFK30	C-TFF30

Precautions

Example of Use

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; 45; 60

Part Number
C-TFK3
C-TFK3-SET
C-TFK4
C-TFK4-SET
C-TFK4-SETS
C-TFK5
C-TFK5-SET
C-TFK6
C-TFK6-SET
C-TFK8
C-TFK8-SET
C-TFK8S
C-TFK8S-SET
C-TFK10
C-TFK10-SET
C-TFK10S
C-TFK10S-SET
C-TFK12
C-TFK12-SET
C-TFK15
C-TFK15-SET
C-TFK17
C-TFK17-SET
C-TFK20
C-TFK20-SET
C-TFK25
C-TFK25-SET
C-TFK30
C-TFK30-SET

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Shaft Dia. d (Ø)	Oil Seal Applicable Shaft Dia. (Ø)	Type	Total Length L (mm)	P.C.D (mm)	Flange Width B (mm)	Outer Dia. D (mm)
MYR 68.70	1 Piece(s)	Available	10 Day(s)	3	-	Single Product	15	24	25	18
MYR 94.07	1 Piece(s)	Available	10 Day(s)	3	-	SET Product	15	24	25	18
MYR 68.41	1 Piece(s)	Available	10 Day(s)	4	-	Single Product	15	24	25	18
MYR 93.78	1 Piece(s)	Available	10 Day(s)	4	-	SET Product	15	24	25	18
MYR 93.78	1 Piece(s)	Available	10 Day(s)	4	-	SET Product	15	24	25	18
MYR 68.70	1 Piece(s)	Available	10 Day(s)	5	-	Single Product	16.5	26	26	20
MYR 94.07	1 Piece(s)	Available	10 Day(s)	5	-	SET Product	16.5	26	26	20
MYR 75.99	1 Piece(s)	Available	1 Day(s)	6	9.5	Single Product	20	28	28	22
MYR 98.62	1 Piece(s)	Available	1 Day(s)	6	9.5	SET Product	20	28	28	22
MYR 73.91	1 Piece(s)	Available	1 Day(s)	8	11.5	Single Product	23	35	35	28
MYR 96.54	1 Piece(s)	Available	5 Day(s)	8	11.5	SET Product	23	35	35	28
MYR 73.91	1 Piece(s)	Available	1 Day(s)	8	10	Single Product	23	35	35	28
MYR 96.54	1 Piece(s)	Available	6 Day(s)	8	10	SET Product	23	35	35	28
MYR 77.86	1 Piece(s)	Available	1 Day(s)	10	14.5	Single Product	27	42	42	34
MYR 100.03	1 Piece(s)	Available	1 Day(s)	10	14.5	SET Product	27	42	42	34
MYR 78.50	1 Piece(s)	Available	1 Day(s)	10	12	Single Product	27	42	42	34
MYR 100.03	1 Piece(s)	Available	1 Day(s)	10	12	SET Product	27	42	42	34
MYR 79.59	1 Piece(s)	Available	1 Day(s)	12	15.5	Single Product	27	44	44	36
MYR 102.03	1 Piece(s)	Available	1 Day(s)	12	15.5	SET Product	27	44	44	36
MYR 94.32	1 Piece(s)	Available	1 Day(s)	15	20	Single Product	32	50	52	40
MYR 123.49	1 Piece(s)	Available	1 Day(s)	15	20	SET Product	32	50	52	40
MYR 155.71	1 Piece(s)	Available	10 Day(s)	17	24.5	Single Product	45	62	61	50
MYR 203.67	1 Piece(s)	Available	10 Day(s)	17	24.5	SET Product	45	62	61	50
MYR 142.27	1 Piece(s)	Available	1 Day(s)	20	25	Single Product	52	70	68	57
MYR 197.87	1 Piece(s)	Available	1 Day(s)	20	25	SET Product	52	70	68	57
MYR 193.62	1 Piece(s)	Available	1 Day(s)	25	31.5	Single Product	57	80	79	63
MYR 269.15	1 Piece(s)	Available	1 Day(s)	25	31.5	SET Product	57	80	79	63
MYR 276.25	1 Piece(s)	Available	6 Day(s)	30	39.5	Single Product	62	95	93	75
MYR 369.56	1 Piece(s)	Available	10 Day(s)	30	39.5	SET Product	62	95	93	75

Basic Information

Type	Fixed Side Standard	Shape	Round Type	Surface Treatment	Black Oxide
Material	S45C	Surface Treatment	Ferroferric oxide protective film (Black Oxide)

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Specification/Dimensions

Shaft Dia. d(Ø)
3

4

5

6

8

10

12

15

17

20

25

30
Clear
Oil Seal Applicable Shaft Dia.(Ø)
9.5

10

11.5

12

14.5

15.5

20

24.5

25

31.5

39.5

-
Clear
Type
- SET Product
- Single Product
Clear
type
- C-TFK
- C-TFK-SET
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

1 Day(s) or Less

5 Day(s) or Less

6 Day(s) or Less

10 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 .

Frequently asked question (FAQ)

Question: What does "applicable shaft diameter of oil seal" mean?: Answer: The support unit purchased from MISUMI already includes the collar. The collar and the oil seal in the support have been matched, and it can be ignored as long as it is matched with MISUMI ball screw on sale according to the "Ball Screw Applicability Table". However, if it is matched with the ball screw purchased from other companies, please select the type according to shape and size of the shaft end of the screw.
Question: What should I do if the accessories in the support unit are lost or damaged?: Answer: All kinds of accessories can be sold separately, please select according to the MISUMI catalog
Question: Square type support units are divided into standard type and narrow pitch type, what is the difference?: Answer: In the case of limited pitch space, please use the narrow pitch type, but be sure to choose according to the shaft end size of the ball screw. For example: please use standard type (C-TEK) support unit for C-TBSE type ball screw and narrow pitch type (C-TBK) for C-TBSB type ball screw.

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Support Units for Ball Screw, Fixed Side Round Type

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