Needle Roller Bearings-The QWE Company

Needle roller bearings are roller bearings with cylindrical rollers that are thin and long relative to their diameter. Such rollers are called needle rollers. Despite having a smaller section, the bearing still has a high load carrying capacity. The needl··

Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NKI12/20	12 mm	20 mm	24 mm	14.5 N	20 N	22000 rpm	26000 rpm
NA6901	12 mm	22 mm	24 mm	16.1 N	23.2 N	22000 rpm	26000 rpm
NKI15/16	15 mm	16 mm	27 mm	13.4 N	19 N	20000 rpm	24000 rpm
NKI15/20	15 mm	20 mm	27 mm	16.5 N	25.5 N	20000 rpm	24000 rpm
NA4902	15 mm	13 mm	28 mm	11.2 N	15.3 N	19000 rpm	22000 rpm
NA4902.2RS	15 mm	14 mm	28 mm	9.13 N	12 N	-	9500 rpm
NA6902	15 mm	23 mm	28 mm	17.2 N	27 N	19000 rpm	22000 rpm
NKIS15	15 mm	20 mm	35 mm	24.6 N	30 N	16000 rpm	19000 rpm
NKI17/16	17 mm	16 mm	29 mm	13.8 N	20.4 N	19000 rpm	22000 rpm
NKI17/20	17 mm	20 mm	29 mm	17.2 N	27 N	19000 rpm	22000 rpm
NA4903	17 mm	13 mm	30 mm	11.4 N	16.3 N	18000 rpm	20000 rpm
NA4903.2RS	17 mm	14 mm	30 mm	9.52 N	12.9 N	-	9000 rpm
NA6903	17 mm	23 mm	30 mm	18.7 N	30.5 N	18000 rpm	20000 rpm
NKIS17	17 mm	20 mm	37 mm	26 N	33.5 N	15000 rpm	17000 rpm
NKI20/16	20 mm	16 mm	32 mm	15.4 N	24.5 N	16000 rpm	19000 rpm
NKI20/20	20 mm	20 mm	32 mm	19 N	32.5 N	16000 rpm	19000 rpm
NA4904	20 mm	17 mm	37 mm	21.6 N	28 N	15000 rpm	17000 rpm
NA4904.2RS	20 mm	18 mm	37 mm	19.4 N	22.4 N	-	7500 rpm
NA6904	20 mm	30 mm	37 mm	35.2 N	53 N	15000 rpm	17000 rpm
NKIS20	20 mm	20 mm	42 mm	28.6 N	39 N	13000 rpm	15000 rpm

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