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HSR-LA Block

Long A Type
This LM block has the same cross-sectional shape as model HSR-A but has a longer overall LM block length (L) and a greater rated load.

HSR-LA blocks are made to order. The direct replacement is the HSR-LC. 

There is direct replacement for this product
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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: 20
Preload: No Preload
HSR20LA1SS BLOCK
Days to Ship: 1 - 3 days
HSR25LA1SS BLOCK
Out of stock
Out of stock ? Contact us to place an order
Size: 30
Preload: No Preload
HSR30LA1SS BLOCK
Days to Ship: 1 - 3 days
HSR35LA1SS BLOCK
Out of stock
Out of stock ? Contact us to place an order
Size: 45
Preload: No Preload
HSR45LA1SS BLOCK
Days to Ship: 1 - 3 days
Size: 55
Preload: No Preload
HSR55LA1SS BLOCK
Days to Ship: 1 - 3 days
HSR65LA1SS BLOCK
Out of stock
Out of stock ? Contact us to place an order
Size: 20
Preload: Light Preload
HSR20LA1SSC1 BLOCK
Days to Ship: 1 - 3 days
HSR25LA1SSC1 BLOCK
Out of stock
Out of stock ? Contact us to place an order
Size: 30
Preload: Light Preload
HSR30LA1SSC1 BLOCK
Days to Ship: 1 - 3 days
HSR35LA1SSC1 BLOCK
Out of stock
Out of stock ? Contact us to place an order
Size: 45
Preload: Light Preload
HSR45LA1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 55
Preload: Light Preload
HSR55LA1SSC1 BLOCK
Days to Ship: 1 - 3 days
Size: 65
Preload: Light Preload
HSR65LA1SSC1 BLOCK
Days to Ship: 1 - 3 days
Model No. Outer dimensions Block dimensions Rail dimensions Basic load rating
Radial
HeightM WidthW LengthL B C S Pitch
F
d1xd2xh Dynamic
C
Static
C0
mm mm mm mm mm mm mm mm kN kN
HSR20LA 30 63 90 53 40 M6 60 6x9.5x8.5 23.9 35.8
HSR25LA 36 70 102.2 57 45 M8 60 7x11x9 35.2 51.6
HSR30LA 42 90 120.6 72 52 M10 80 9x14x12 48.9 70.2
HSR35LA 48 100 134.8 82 62 M10 80 9x14x12 65 91.7
HSR45LA 60 120 170.8 100 80 M12 105 14x20x17 100 135
HSR55LA 70 140 201.1 116 95 M14 120 16x23x20 148 194
HSR65LA 90 170 245.5 142 110 M16 150 18x26x22 249 323
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
HSR 20 HB 1 SS C1 BLOCK
HSR 15 A 1 SS No Symbol: Normal
20 B C1: Light Preload
25 C
30 R
35 YR
45 LA
55 LB
65 LC
  LR
  CA
  CB
  HA
  HB

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

units: µm
Size Normal Light Preload
15 -4 to +2 -12 to -4
20 -5 to +2 -12 to -5
25 -6 to +3 -16 to -6
30 -7 to +4 -19 to -7
35 -8 to +4 -22 to -8
45 -10 to +5 -25 to -10
55 -12 to +5 -29 to -12
65 -14 to +7 -32 to -14

The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at tossales@thk.com