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SR-W Block

Narrow Tapped Holes

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With this type, the LM block has a smaller width (W) and tapped holes.

Stainless Steel version is also available

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In stock

*Please contact THK if you need more than available quantity or out of stock items

Attributes	Part Number	CAD	Online Store Unit Price (USD)	Days to Ship	Size	Preload	Include Rail
Size: 15 Preload: No Preload	SR15W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 15	Preload: No Preload	Include
Size: 20 Preload: No Preload	SR20W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 20	Preload: No Preload	Include
Size: 25 Preload: No Preload	SR25W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 25	Preload: No Preload	Include
Size: 30 Preload: No Preload	SR30W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 30	Preload: No Preload	Include
Size: 35 Preload: No Preload	SR35W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 35	Preload: No Preload	Include
Size: 45 Preload: No Preload	SR45W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 45	Preload: No Preload	Include
Size: 55 Preload: No Preload	SR55W1SS BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 55	Preload: No Preload	Include
Size: 15 Preload: Light Preload	SR15W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 15	Preload: Light Preload	Include
Size: 20 Preload: Light Preload	SR20W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 20	Preload: Light Preload	Include
Size: 25 Preload: Light Preload	SR25W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 25	Preload: Light Preload	Include
Size: 30 Preload: Light Preload	SR30W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 30	Preload: Light Preload	Include
Size: 35 Preload: Light Preload	SR35W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 35	Preload: Light Preload	Include
Size: 45 Preload: Light Preload	SR45W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 45	Preload: Light Preload	Include
Size: 55 Preload: Light Preload	SR55W1SSC1 BLOCK	CAD	–	Days to Ship: 1 - 3 days	Size: 55	Preload: Light Preload	Include

Specifications


Model No.	Outer dimensions			Block dimensions			Rail dimensions		Basic load rating
	Outer dimensions			Block dimensions			Rail dimensions		Radial
	Height M	Width W	Length L	B	C	S x l	Pitch F	d₁xd₂xh	Dynamic rating C	Static rating C₀
	mm	mm	mm	mm	mm	mm	mm	mm	kN	kN
SR15W	24	34	57	26	26	M4 x 7	60	3.5x6x4.5	13.8	20.5
SR20W	28	42	66.2	32	32	M5 x 8	60	6x9.5x8.5	19.2	28.6
SR25W	33	48	83	35	35	M6 x 9	60	7x11x9	30.9	44.7
SR30W	42	60	96.8	40	40	M8 x 12	80	7x11x9	45.6	64.4
SR35W	48	70	111	50	50	M8 x 12	80	9x14x12	60.4	81.8
SR45W	60	86	126	60	60	M10 x 15	105	11x17.5x14	80.4	107
SR55W	68	100	156	75	75	M12 x 20	120	14x20x17	136	179

Model Number Coding

Model	Size	Block Type	Block Code^*1	Seal Type^*2	Radial Clearance^*3
SR	20	SB	1	SS	C1	BLOCK

SR	15	W	1	SS	No Symbol: Normal
	20	TB			C1: Light Preload
	25	V
	30	SB
	35
	45
	55

Note 1: This number is always 1 for interchangeable blocks Note 2: Contamination protection seal SS is standard for Model SR SS = end seals + side seals Note 3: Radial Clearance

units: µm
Size	Normal	Light Preload
15	-4 to +2	-10 to -4
20	-5 to +2	-12 to -5
25	-6 to +3	-15 to -6
30	-7 to +4	-18 to -7
35	-8 to +4	-20 to -8
45	-10 to +5	-24 to -10
55	-12 to +5	-28 to -12

The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at [email protected]