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SR-TB Block

Flanged Through Holes
The LM block has the same height as model SR-W and can be mounted from the bottom.
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*Please contact THK if you need more than available quantity or out of stock items
Attributes Part Number Unit Price Quantity Days to Ship Include Rail Item Total
Size: 15
Preload: No Preload
SR15TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 20
Preload: No Preload
SR20TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 25
Preload: No Preload
SR25TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 30
Preload: No Preload
SR30TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 35
Preload: No Preload
SR35TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 45
Preload: No Preload
SR45TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 55
Preload: No Preload
SR55TB1SS BLOCK
Days to Ship: 1 - 3 days
Size: 20
Preload: Light Preload
SR20TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 25
Preload: Light Preload
SR25TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 30
Preload: Light Preload
SR30TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 35
Preload: Light Preload
SR35TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 45
Preload: Light Preload
SR45TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 55
Preload: Light Preload
SR55TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 15
Preload: Light Preload
SR15TB1SSC1 BLOCK
Days to Ship: 1 - 3 days
Model No. Outer dimensions Block dimensions Rail dimensions Basic load rating
Radial
HeightM WidthW LengthL B C H Pitch
F
d1xd2xh Dynamic
rating
C
Static
rating
C0
mm mm mm mm mm mm mm mm kN kN
SR15TB 24 52 57 41 26 4.5 60 3.5x6x4.5 13.8 20.5
SR20TB 28 59 66.2 49 32 5.5 60 6x9.5x8.5 19.2 28.6
SR25TB 33 73 83 60 35 7 60 7x11x9 30.9 44.7
SR30TB 42 90 96.8 72 40 9 80 7x11x9 45.6 64.4
SR35TB 48 100 111 82 50 9 80 9x14x12 60.4 81.8
SR45TB 60 120 126 100 60 11 105 11x17.5x14 80.4 107
SR55TB 68 140 156 116 75 14 120 14x20x17 136 179
AFB-LF is the default grease. For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
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 tossales@thk.com