NKI, NA series
NKI, NA Series
NKI, NA 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
(d) (mm)
Principle dimensions
(D) (mm)
Principle dimensions
(B) (mm)
Principle dimensions
(C) (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)
NKI 5/12 TN 5 15 12 3,72 4,08 0,46 32 000 36 000 0,012
NKI 5/16 TN 5 15 16 4,91 5,62 0,66 32 000 36 000 0,015
NKI 6/12 TN 6 16 12 4,31 4,99 0,56 30 000 34 000 0,014
NKI 6/16 TN 6 16 16 5,61 6,91 0,8 30 000 34 000 0,017
NKI 7/12 TN 7 17 12 4,48 5,47 0,62 28 000 32 000 0,014
NKI 7/16 TN 7 17 16 5,82 7,68 0,88 28 000 32 000 0,018
NKI 9/12 9 19 12 6,58 7,82 0,95 26 000 30 000 0,017
NKI 9/16 9 19 16 8,95 11,52 1,4 26 000 30 000 0,022
NA 4900 10 22 13 8,62 9,98 1,2 24 000 28 000 0,023
NA 4900 RS 10 22 14 13 7,22 7,82 0,95 12 000 0,025
Total 16 Page 160 Records 1234567891011 End
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