Double Row Cylindrical Roller Bearings

High Radial Load Capacity for Heavy-Duty Applications

BCHH Double Row Cylindrical Roller Bearings are designed for high radial loads, high rigidity, and demanding industrial applications.

With two rows of cylindrical rollers, these bearings provide higher load carrying capacity than single row designs.

Their compact structure offers excellent radial stiffness and reliable performance where space is limited.

Precision-ground raceways and advanced heat treatment ensure smooth rotation, low friction, and long service life.

Key Features

· High radial load capacity

· Two rows of cylindrical rollers

· High radial stiffness

· Compact and rigid design

· Low friction operation

· Excellent wear resistance

· Long service life

Typical Applications

· Machine Tool Spindles

· Industrial Gearboxes

· Electric Motors

· Transmission Systems

· Heavy Machinery

· Mining Equipment

· Precision Machinery

BCHH manufactures Double Row Cylindrical Roller Bearings using high-quality bearing steel and strict quality control processes.

With 20+ years of bearing manufacturing experience and an ISO 9001 certified quality system, BCHH provides reliable bearing solutions for OEMs, distributors, and industrial customers worldwide.

Contact BCHH for product specifications, technical support, OEM solutions, and competitive pricing.

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Inquiry	Bearing NO.	Boundary dimensions(mm)	Basic load ratings(kN)	Limiting speed(rpm)	Abutment and fillet dimensions(mm)	Weight (kg)
Cylindrical bore	Tapered bore	d	D	B/C	r 1.2min	r3.4min	Cr	Cor	Speed Ratings	da max	Da max	ra max	rb max	Refer
	NN3992	NN3992K	460	620	118	4	4	1610	3700	1200	486	591	3	3	94.5
	NNU4992	NNU4992K	460	620	160	4	4	2090	5500	1200	504	604	3	3	135
	-	NN3092K	460	680	163	6	6	2600	5500	1200	-	654	5	5	195
	NNU4092	NNU4092K	460	680	218	6	6	4290	9000	800	503	654	5	5	240
	NN3192	NN3192K	460	720	226	6	6	3500	6800	750	476	680	5	5	357
	NNU4192	NNU4192K30	460	760	300	7.5	7.5	6440	13200	670	526	727	6	6	535
	NNU4996	NNU4996K	480	650	170	5	5	2330	6100	1200	528	630	4	4	160
	NN4996	NN4996K	480	650	170	5	5	2330	6100	1200	510	617	4	4	164
	NN3096	NN3096K	480	700	165	6	6	2700	5850	1100	-	674	5	5	200
	NNU4096	NNU4096K	480	700	218	6	6	4400	9650	750	523	674	5	5	275
	NNU5096X2	-	480	700	260	6	6	5390	12500	750	527	674	5	5	345
	NN3196	NN3196K	480	790	248	7.5	7.5	4050	8100	630	523	742	6	6	447
	NNU4196	NNU4196K30	480	790	308	7.5	7.5	7040	14300	630	545	757	6	6	590
	NNU49/500	NNU49/500K	500	670	170	5	5	2330	6100	1100	548	650	4	4	165
	NN49/500X1	-	500	700	170	5	5	2700	5400	800	549	680	4	4	210
	NN30/500	NN30/500K	500	720	167	6	6	2580	5600	1100	-	694	5	5	210
	NNU30/500	-	500	720	167	6	6	2580	5600	1100	537	680	5	5	220
	NNU40/500	NNU40/500K	500	720	218	6	6	4460	10000	750	543	694	5	5	285
	NNU41/500	NNU41/500K30	500	830	325	7.5	7.5	7480	15000	600	568	797	6	6	710
	NNU39/500	-	530	710	136	5	5	2040	4900	1000	561	676	4	4	149
	NNU49/530	NNU49/530K	530	710	180	5	5	2860	7800	1000	582	690	4	4	200
	NN49/530	NN49/530K	530	710	180	5	5	2860	7800	1000	561	676	4	4	202
	NN30/530	NN30/530K	530	780	185	6	6	3200	6900	1000	-	754	5	5	270
	NNU30/530	NNU30/530K	530	780	185	6	6	3200	6900	1000	568	738	5	5	296
	NNU40/530	NNU40/530K	530	780	250	6	6	5500	12200	670	580	754	5	5	420
	NNU41/530	NNU41/530K30	530	870	335	7.5	7.5	7810	16000	560	604	837	6	6	790
	NNU49/560	NNU49/560K	560	750	190	5	5	3190	8650	950	619	730	4	4	235
	NN30/560	NN30/560K	560	820	195	6	6	3690	8000	900	-	794	5	5	315
	NNU40/560	NNU40/560K	560	820	258	6	6	4100	10600	630	615	794	5	5	475
	NN40/560	-	560	820	258	6	6	4100	10600	630	598	778	5	5	472
Previous 1 2...4 5 6 789 10 Next

Inquiry

Bearing NO.

Boundary dimensions(mm)

Basic load ratings(kN)

Limiting speed(rpm)

Abutment and fillet dimensions(mm)

Weight (kg)

Cylindrical bore

Tapered bore

B/C

r 1.2min

r3.4min

Cor

Speed Ratings

da max

Da max

ra max

rb max

Refer

Previous 1 2...4 5 6 789 10 Next

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Double Row Cylindrical Roller Bearings