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Double Row Cylindrical Roller Bearings

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Double Row Cylindrical Roller Bearings

QDY

select	Inquiry	Bearing NO.		Boundary dimensions(mm)					Basic load ratings(kN)		Limiting speed(rpm)	Abutment and fillet dimensions(mm)				Weight(kg)
select	Inquiry	Cylindrical Hole	Tapered Hole	d	D	B/C	r 1.2min	r3.4min	Cr	Cor	Speed Ratings	da max	Da max	ra max	rb max	Refer
		NN3138	-	180	320	104	3	3	840	1420	1800	208	300	2.5	2.5	33.8
		NNU4938	NNU4938K	190	260	69	2	2	402	880	3200	209	250	2	2	11
		NNU3038	-	190	290	75	2.1	2.1	594	1080	3000	206	273	2	2	17.9
		NN3038	NN3038K	190	290	75	2.1	2.1	594	1080	3000	-	279	2	2	17
		NN4038	-	190	290	100	2.1	2.1	825	1640	3000	206	273	2	2	24
		NNU4138	NNU4138K30	190	320	128	3	3	1320	2200	1800	219	307	2.5	2.5	41
		NNU4840	NNU4840K	200	250	50	1.5	1.5	242	600	2400	212	242	1.5	1.5	5.75
		NN3940	NN3940K	200	280	60	2.1	2.1	420	815	3000	216	263	2	2	10.6
		NNU4940	NNU4940K	200	280	80	2.1	2.1	484	1040	3000	222	269	2	2	15
		NN4940	NN4940K	200	280	80	2.1	2.1	484	1040	3000	216	263	2	2	15.3
		NN3040	NN3040K	200	310	82	2.1	2.1	644	1140	2000	-	299	2	2	22
		NNU3040	NNU3040K	200	310	82	2.1	2.1	644	1140	2000	216	293	2	2	22.9
		NN4040	NN4040K	200	310	109	2.1	2.1	890	1730	2000	216	293	2	2	30.4
		NNU4040X2	-	200	310	115	2.1	2.1	1010	1860	2000	225	299	2	2	31.5
		NNU4140	NNU4140K30	200	340	140	3	3	1470	2550	1700	231	327	2.5	2.5	51
		NN3944	NN3944K	220	300	60	2.1	2.1	440	895	2800	236	283	2	2	11.4
		NNU4944	NNU4944K	220	300	80	2.1	2.1	512	1140	2800	242	289	2	2	16.5
		NN4944	NN4944K	220	300	80	2.1	2.1	512	1140	2800	236	283	2	2	16.6
		NNU5944X2	-	220	300	100	2.1	2.1	897	1930	2200	236.5	289	2	2	20.5
		NN3044	NN3044K	220	340	90	3	3	809	1460	2600	-	327	2.5	2.5	28.5
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Product List: Cylindrical Roller Bearing

Spherical Roller Bearing

Tapered Roller Bearing

Angular Contact Ball Bearing

Thrust Roller Bearing

Application: Petroleum Machinery

Metallurgy Machinery

Cement Machinery

Engineering Machinery

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