NK, NKS, RNA series
NK, NKS, RNA Series
NK, NKS, RNA Series Description:
THB NK&NKS&RNA series Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life. THB supplies needle roller bearings in many different designs, series and in a wide range of sizes, which make them appropriate for a wide variety of operating conditions and applications. Main applications: Automotive, construction and agriculture, inspection instruments, etc. Without inner ring is available.
Product List
Part NumberPrinciple dimensions
(Fw) (mm)
Principle dimensions
(Ew) (mm)
Principle dimensions
(U) (mm)
Basic load ratings
(dynamic) (C) (KN)
Basic load ratings
(Static) (C0) (KN)
Fatigue load
limit (Pu)
Reference speed
(r/min)
Limiting speed
(r/min)
Mass (kg)
NK 5/10 TN 5 10 10 2.2 1.92 0.201 36 000 40 000 0.0031
NK 5/12 TN 5 10 12 2.8 2.6 0.276 36 000 40 000 0.0037
NK 6/10 TN 6 12 10 2.45 2.27 0.238 34 000 38 000 0.0047
NK 6/12 TN 6 12 12 3.17 3.07 0.328 34 000 38 000 0.0057
NK 7/10 TN 7 14 10 2.7 2.64 0.276 32 000 36 000 0.0069
NK 7/12 TN 7 14 12 3.44 3.6 0.394 32 000 36 000 0.0082
NK 8/12 TN 8 15 12 3.65 4.08 0.442 32 000 36 000 0.00869
NK 8/16 TN 8 15 16 4.81 5.6 0.637 32 000 36 000 0.012
NK 9/12 9 16 12 4.22 4.99 0.542 30 000 34 000 0.01
TN NK 9/16 TN 9 16 16 5.49 6.91 0.774 30 000 34 000 0.013
Total 21 Page 201 Records 1234567891011 End
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