NSK-RA55 - NSK Roller Guides
  • Size: 53mm Linear Guide Rail
  • Dynamic Load: Up to 168kN
  • Static Load: Up to 462kN
  • Rail Lengths Up to 3500mm
  • Custom Rail Sizes Available
  • Block Types: Square, Low-Profile, or Flange
  • Block Sizes: Standard or Long
  • Preload: Slight or Medium
  • Inner, End, and Bottom Seals Standard
  • End-Seal Options: NSK K1 Lubrication Unit, Double Seal, and Rail Cover
  • Interchangeable Blocks and Rails
NSK-RA55 - 55mm Linear Roller Guides

The NSK-RA55 Series Linear Guide Bearing Blocks are matched for the NSK-R1A55 Rail. This series offers improved performance, high rigidity, high accuracy, long operating life, smoother operation, and balanced load distribution. With a larger contact surface, these roller guides allow for super-high load capacities with dynamic loads up to 168kN (37,759 lbs) and static loads up to 462kN (103,862 lbs). The blocks are available in three types (Square, Low-Profile, or Flange) and two lengths (Standard or Long). For the same type and size, these block and rails are interchangeable to allow for application flexibility and ease of use.

NSK-RA55
Item Fabrication
Dimension
Block Dimension
(mm)
Load Capacities
(kN)
Static Moment
(Nm)
Price
(USD)
Quantity
Discounts
Stock
Status
Add To
Cart
H W2 W B B1 L L1 E J1 T1 N J K T C C0 Mr0 Mp0 My0
NSK-RAA55ANP6Z 80 23.5 100 75 12.5 184 128 9 26.5 21 14 75 71 18 129 330 10200 7060 7060 CALL US view here
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NSK-RAA55ALP6Z 70 23.5 100 75 12.5 184 128 9 26.5 11 14 75 61 18 129 330 10200 7060 7060 CALL US view here
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NSK-RAA55BNP6Z 80 23.5 100 75 12.5 234 178 9 41.5 21 14 95 71 18 168 462 14300 13600 13600 CALL US view here
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NSK-RAA55BLP6Z 70 23.5 100 75 12.5 234 178 9 41.5 11 14 95 61 18 168 462 14300 13600 13600 CALL US view here
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NSK-RAA55EMP6Z 70 43.5 140 116 12 184 128 9 16.5 11 14 95 61 15 129 330 10200 7060 7060 CALL US view here
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NSK-RAA55GMP6Z 70 43.5 140 116 12 234 178 9 41.5 11 14 95 61 15 168 462 14300 13600 13600 CALL US view here
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Item Rail Dimension
(mm)
Weight Price
(USD)
Quantity
Discounts
Stock
Status
Add To
Cart
W1 H1 G F d x D x h B3 (lbs)
NSK-R1A55L-200-10-10 53 43.5 30 60 16x23x20 26.5 6.4 CALL US view here
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NSK-R1A55L-400-20-20 53 43.5 30 60 16x23x20 26.5 12.9 CALL US view here
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NSK-R1A55L-500-10-10 53 43.5 30 60 16x23x20 26.5 16.1 CALL US view here
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NSK-R1A55L-700-20-20 53 43.5 30 60 16x23x20 26.5 22.5 CALL US view here
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NSK-R1A55L-800-10-10 53 43.5 30 60 16x23x20 26.5 25.8 CALL US view here
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NSK-R1A55L-1000-20-20 53 43.5 30 60 16x23x20 26.5 32.2 CALL US view here
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NSK-R1A55L-1100-10-10 53 43.5 30 60 16x23x20 26.5 35.4 CALL US view here
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NSK-R1A55L-1300-20-20 53 43.5 30 60 16x23x20 26.5 41.9 CALL US view here
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NSK-R1A55L-1400-10-10 53 43.5 30 60 16x23x20 26.5 45.1 CALL US view here
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NSK-R1A55L-1600-20-20 53 43.5 30 60 16x23x20 26.5 51.5 CALL US view here
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NSK-R1A55L-1700-10-10 53 43.5 30 60 16x23x20 26.5 54.7 CALL US view here
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NSK-R1A55L-1900-20-20 53 43.5 30 60 16x23x20 26.5 61.2 CALL US view here
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NSK-R1A55L-2000-10-10 53 43.5 30 60 16x23x20 26.5 64.4 CALL US view here
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NSK-R1A55L-2200-20-20 53 43.5 30 60 16x23x20 26.5 70.8 CALL US view here
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NSK-R1A55L-2300-10-10 53 43.5 30 60 16x23x20 26.5 74.0 CALL US view here
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NSK-R1A55L-2500-20-20 53 43.5 30 60 16x23x20 26.5 80.5 CALL US view here
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NSK-R1A55L-2600-10-10 53 43.5 30 60 16x23x20 26.5 83.7 CALL US view here
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NSK-R1A55L-2800-20-20 53 43.5 30 60 16x23x20 26.5 90.1 CALL US view here
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NSK-R1A55L-2900-10-10 53 43.5 30 60 16x23x20 26.5 93.4 CALL US view here
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NSK-R1A55L-3100-20-20 53 43.5 30 60 16x23x20 26.5 99.8 CALL US view here
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NSK-R1A55L-3200-10-10 53 43.5 30 60 16x23x20 26.5 103.0 CALL US view here
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NSK-R1A55L-3400-20-20 53 43.5 30 60 16x23x20 26.5 109.5 CALL US view here
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NSK-R1A55L-3500L 53 43.5 30 60 16x23x20 26.5 112.7 CALL US view here
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  • Part Number Breakdown
  • Dimensions - AN, AL Square Type
  • Dimensions - BN, BL Low-Profile Type
  • Dimensions - EM, GM Flange Type
  • Force and Pitch Dimensions
Part Number Breakdown
Dimensions - AN, AL Square Type
Dimensions - BN, BL Low-Profile Type
Dimensions - EM, GM Flange Type
Force and Pitch Dimensions
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