Needle Roller Bearings

The rolling elements in the needle bearing are thin and long cylinders. Their small dimensions make them suitable for special requirements. Depending on the variant, an inner ring is omitted, the needle roller then rolls directly on the shaft or axle. Most radial needle bearings have very good floating properties. Features of these series

Needle Roller Bearings NA49
Needle Roller Bearings NA69
Needle Roller Bearings NK
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Product Number System of
measurement		 Inside Outside Bearing Width B Seal Ring Material Rolling Element
Material		 Cage Material Tolerance Class price Cart
IR40x50x20 Metric 40 mm 50 mm 20 mm Chrome Steel $ 8.34
IR40x50x22 Metric 40 mm 50 mm 22 mm Chrome Steel $ 8.34
HK4012 Metric 40 mm 47 mm 12 mm open Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 4.41
HK4016-2RS Metric 40 mm 47 mm 16 mm 2RS Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 5.07
HK4016 Metric 40 mm 47 mm 16 mm open Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 4.41
HK4018 Metric 40 mm 47 mm 18 mm open Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 3.15
HK4018-RS Metric 40 mm 47 mm 18 mm RS Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 5.70
HK4020-2RS Metric 40 mm 47 mm 20 mm 2RS Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 6.15
HK4020 Metric 40 mm 47 mm 20 mm open Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 5.40
BK4020 Metric 40 mm 47 mm 20 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 4.32
HN4020 Metric 40 mm 47 mm 20 mm Inquiry
RNAO40X50X17-XL Metric 40 mm 50 mm 17 mm Inquiry
RNAO40X55X20-XL Metric 40 mm 55 mm 20 mm Inquiry
RNAO40X50X34-ZW-ASR1-XL Metric 40 mm 50 mm 34 mm Inquiry
RNAO40X55X40-ZW-ASR1-XL Metric 40 mm 55 mm 40 mm Inquiry
RNA49/32-XL Metric 40 mm 52 mm 20 mm Inquiry
RNA69/32-ZW-XL Metric 40 mm 52 mm 36 mm Inquiry
NK42/20 Metric 42 mm 52 mm 20 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 11.87
NK42/30 Metric 42 mm 52 mm 30 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 11.72
NKI42/20 Metric 42 mm 57 mm 20 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 10.08
NKI42/30 Metric 42 mm 57 mm 30 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 11.48
K42x50x20 Metric 42 mm 50 mm 20 mm Chrome Steel Sheet Steel ABEC 1 / P0 $ 4.68
IR42x47x20 Metric 42 mm 47 mm 20 mm Chrome Steel $ 8.40
IR42x47x30 Metric 42 mm 47 mm 30 mm Chrome Steel $ 8.34
RNA4907-XL Metric 42 mm 55 mm 20 mm Inquiry
RNA6907-ZW-XL Metric 42 mm 55 mm 36 mm Inquiry
RNA4907-RSR-XL Metric 42 mm 55 mm 20 mm Inquiry
RNA4907-2RSR-XL Metric 42 mm 55 mm 20 mm Inquiry
NK43/20 Metric 43 mm 53 mm 20 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 12.43
NK43/30 Metric 43 mm 53 mm 30 mm Chrome Steel Chrome Steel Sheet Steel ABEC 1 / P0 $ 12.25
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