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
NKI45/25TN	45 mm	25 mm	62 mm	42.9 N	91.5 N	8000 rpm	9000 rpm
NKI45/35TN	45 mm	35 mm	62 mm	58.3 N	137 N	8000 rpm	9000 rpm
NA4909	45 mm	22 mm	68 mm	45.7 N	78 N	7500 rpm	8500 rpm
NA4909.2RS	45 mm	23 mm	68 mm	39.1 N	64 N	-	3800 rpm
NA6909	45 mm	40 mm	68 mm	70.4 N	137 N	7500 rpm	8500 rpm
NKIS45	45 mm	22 mm	72 mm	44.6 N	78 N	7000 rpm	8000 rpm
NKI50/25	50 mm	25 mm	68 mm	40.2 N	88 N	7500 rpm	8500 rpm
NKI50/35	50 mm	35 mm	68 mm	52.3 N	122 N	7500 rpm	8500 rpm
NA4910	50 mm	22 mm	72 mm	47.3 N	85 N	7000 rpm	8000 rpm
NA4910.2RS	50 mm	23 mm	72 mm	40.2 N	69.5 N	-	3400 rpm
NA6910	50 mm	40 mm	72 mm	73.7 N	150 N	7000 rpm	8000 rpm
NKIS50	50 mm	28 mm	80 mm	62.7 N	104 N	6300 rpm	7500 rpm
NKI55/25TN	55 mm	25 mm	72 mm	46.8 N	110 N	6700 rpm	7500 rpm
NKI55/35	55 mm	35 mm	72 mm	55 N	134 N	6700 rpm	7500 rpm
NA4911	55 mm	25 mm	80 mm	57.2 N	106 N	6300 rpm	7000 rpm
NA6911	55 mm	45 mm	80 mm	89.7 N	190 N	6300 rpm	7000 rpm
NKIS55	55 mm	28 mm	85 mm	66 N	114 N	6000 rpm	6700 rpm
NKI60/25	60 mm	25 mm	82 mm	44 N	95 N	6000 rpm	6700 rpm
NKI60/35	60 mm	35 mm	82 mm	60.5 N	146 N	6000 rpm	6700 rpm
NA4912	60 mm	25 mm	85 mm	60.5 N	114 N	6000 rpm	6700 rpm

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