Doubule-row angular contact ball bearings

The design of double row angular contact ball bearing is almost the same as that of single row angle contact ball bearing, but its axial dimension is relatively smaller. A double row angular contact ball bearing is equivalent to two single row bearings installed back to back. Double row bearing can carry axial load in two directions and moment load.

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Specifications

Doubule-row angular contact ball bearings


Dimensions					Basic load ratings		Designation		Mass	Limiting speeds
mm					kN		Current	Original	kg	r/min
d	D	B	rmin	r1min	Cr	Cor	Current	Original	kg	Grease	Oil
100	180	60.3	2.1	2.1	142	220	3220	3056220	6.1	2000	3000
	215	82.6	3	3	230	355	3320	3056320	13.5	1800	2600
110	200	69.8	2.1	2.1	170	270	3222	3056222	8.8	1900	2800
	240	92.1	3	3	262	425	3322	3056322	19	1700	2400
140	210	69	2	2	178	237	4028 D	4086128	8.2	1700	2400
150	209.5	55	2	2	160	250	-	86930	6	1700	2400
	225	73	2	2	180	255	4030X2 D	86730	10.7	1600	2200
	230	70	2	2	212	325	4030X3 D	86830	11.5	1600	2200
	240	76	2.1	1.1	230	320	-	305183	10.6	1600	2200
160	240	58	2.1	2.1	185	286	4032X2 D	4086132	9.6	1600	2200
	240	80	2.1	2.1	224	306	4032 D	4086132	12.6	1600	2200
170	230	56	2.1	2.1	165	255	-	86734	7.5	1600	2200
	260	90	2.1	2.1	228	385	4034 D	4086134	18	1400	1900
180	280	92	2.1	2.1	290	440	4036X2 D	4086136	22	1300	1800
	280	100	2.1	2.1	290	440	4036 D	4086136	24	1400	1900
190	290	92	2.1	2.1	284	424	4038X2 D	15638	22.4	1200	1700
	290	100	2.1	2.1	284	424	4038 D	4086138	22.3	1300	1800
200	310	109	2.1	2.1	340	538	4040 D	4086140	29.5	1200	1700
	310	96	2.1	2.1	340	538	4040X2 DC	4456140	29.5	1300	1800
220	309.5	76	3	3	259	400	4944X3 D	86744	17.2	1000	1500
	340	118	2.1	2.1	361	591	4044 D	4086144	37.2	1000	1500
230	330	80	2.1	2.1	110	500	156746	-	11	1000	1500
240	360	118	3	3	383	661	4048 D	4086148	43.5	950	1400
	440	144	4	4	576	1060	3248X2 D	86748	101	800	1100
260	359.5	92	2.1	2.1	650	1100	-	86952	28	800	1100
	369.5	92	4	4	325	560	4952X3 D	86752	32.9	850	1200
	400	140	3	3	410	720	4052 D	4086152	69.9	950	1300


Dimensions					Basic load		Designation		Mass	Limiting
Dimensions					ratings		Designation		Mass	speeds
mm					kN		Current	Original	kg	r/min
d	D	B	rmin	r1min	Cr	Cor	Current	Original	kg	Grease	Oil
280	389.5	92	4	4	367	658	4956X3 D	86756	35.3	850	1200
	420	140	3	3	441	892	4056 D	4086156	82.5	800	1100
300	460	160	3	3	475	1090	4060 D	4086160	101	800	1100
320	400	93	2.1	2.1	320	486	-	86764X2	28	750	1000
	459.5	140	4	4	504	1010	4064X3 D	86764	73.9	750	1000
	480	160	3	3	496	1200	4064 D	4086164	120	750	1000
340	520	180	3	3	525	1360	4068 D	4086168	132	700	950

Product introduction

The angle of inclination between inner ring and outer ring of double row angular contact ball bearing is limited. The maximum allowable angle of inclination is determined by the internal clearance of the bearing, the structural design of the bearing, and the force and moment acted on the bearing. The excessive angle of inclination between inner ring and outer ring will lead to the decrease of rotating accuracy of the bearing and the increase of the noise, which will lead to premature failure of the bearing. For details, please consult E-FINE engineer.

Main structural features: it can carry both axial force and radial force and is suitable for high speed operation.

The double row angular contact ball bearings produced by E-FINE Company in recent years are applied to the thrust end of the work roll of high speed mill and have the characteristics of stable rotation and long life.

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