Four Row Tapered Roller Bearings

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Design Variants

Cage

Tolerance

Internal clearance

Four row taper bearings normally features two single raceway outer rings, a double raceway outer rings and two double raceway inner rings,

and two outer spacers and on inner spacer. These bearings can accommodate big radial toads, but the speed ratings are very low. This type bearing is mainly used in heavy-duty machines.

Four row taper bearings normally features two single raceway outer rings, a double raceway outer rings and two double raceway inner rings,
and two outer spacers and on inner spacer. These bearings can accommodate big radial toads, but the speed ratings are very low. This type bearing is mainly used in heavy-duty machines.
DHK four row taper roller bearings are produced with pressed steel cages as standard. For some bigger size bearings, also can be fitted with pin-type steel cages.
For detailed of the tolerance and internal clearance of four row taper roller bearings, please contact to technical department of DHK or specified clear during place an order.
For detailed of the tolerance and internal clearance of four row taper roller bearings, please contact to technical department of DHK or specified clear during place an order.

Dimensions and Parameters

Inquiry	Designation	Boundary dimension[mm]						Mass（kg）	AFBMA	Design	Load ratings[kN]		Calculation factors
Inquiry	Designation	d	D	T	B	r1,r2 Min	r3,r4 Min	Mass（kg）	AFBMA	Design	Dyn Cr	Stat Cor	e	Y1	Y2	Y0	K
	331248	812.800 32.0000	1143	768.35	768.35	6.4	12.7	2590	--	22	20100	58000	0.33	2	3	2	1.76
		812.800 32.0000	42.5	30.25	30.25	0.25	0.5
	331066A	825.500 32.5000	1168.4	844.55	844.55	4.8	12.7	3050	M285848DW/M285810/M285810D	22	23800	71800	0.33	2	3	2	1.76
		825.500 32.5000	46	33.25	33.25	0.19	0.5
	331069	850 33.4646	1360	910	910	8	15	5440	--	22	31900	83700	0.35	1.9	2.9	1.8	1.62
		850 33.4646	53.5433	35.8268	35.8268	0.315	0.59
	331405	863.600 34.0000	1100	669.925	669.925	4.8	12.7	1670	--	22	16500	56100	0.31	2.2	3.3	2.2	1.89
		863.600 34.0000	43.3071	26.375	26.375	0.19	0.5
	331123	863.600 34.0000	1130.3	669.925	669.925	4.8	12.7	1900	LM286249D/LM286210/LM286210D	22	18700	58900	0.33	2	3	2	1.76
		863.600 34.0000	44.5	26.375	26.375	0.19	0.5
	BT4B331649/HA4	863.600 34.0000	1181.1	666.75	666.75	4.8	12.7	2150	LM286449D/LM286410/LM286410D	22	19800	56100	0.33	2	3	2	1.76
		863.600 34.0000	46.5	26.25	26.25	0.19	0.5
	BT4B330742A/HA4	863.600 34.0000	1219.2	889	876.3	4.8	12.7	3470	EE547341D/547480/547481D	22	24600	74500	0.33	2	3	2	1.76
		863.600 34.0000	48	35	34.5	0.19	0.5
	330903A	901.700 35.5000	1295.4	914.4	901.7	4.8	12.7	4170	EE634356D/634510/6344511D	22	29200	85600	0.33	2	3	2	1.76
		901.700 35.5000	51	36	35.5	0.19	0.5
	330726A	938.212 36.9375	1270	825.5	825.5	4.8	12.7	3230	LM287649D/LM287610/LM287610D	22	24600	78200	0.35	1.9	2.9	1.8	1.69
		938.212 36.9375	50	32.5	32.5	0.19	0.5
	BT4B331372/HA4	939.800 37.0000	1333.5	952.5	952.5	4.8	12.7	4510	LM287849D/LM287810/LM287810D	22	29200	88300	0.33	2	3	2	1.76
		939.800 37.0000	52.5	37.5	37.5	0.19	0.5
	BT4B331372/HA4	1003.300 39.5000	1358.9	800.1	800.1	4.8	12.7	3450	--	22	25500	79100	0.31	2.2	3.3	2.2	1.83
		1003.300 39.5000	53.5	31.5	31.5	0.19	0.5
	BT4B331559/HA4	1080 42.5197	1450	950	950	5	12	4450	--	22	31900	108000	0.33	2	3	2	1.76
		1080 42.5197	57.0866	37.4016	37.4016	0.197	0.47
	BT4B331334/HA4	1139.825 44.8750	1509.712	923.925	923.925	4.8	12.7	4840	--	22	25500	79100	0.31	2.2	3.3	2.2	1.83
		1139.825 44.8750	59.4375	36.375	36.375	0.19	0.5
	331440	1200.150 47.2500	1593.85	990.6	990.6	4.8	12.7	5635	LM288949D/LM288910/LM288910D	22	35800	118000	0.33	2	3	2	1.76
		1200.150 47.2500	62.75	39	39	0.19	0.5
	BT4B332124/HA4	1260 49.6063	1640	1000	1000	5	12	5800	--	22	36900	128000	0.31	2.2	3.3	2.2	1.83
		1260 49.6063	64.5669	39.3701	39.3701	0.197	0.47
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