Tapered roller bearings belong to the separation type bearings, the inner and outer rings of the bearings have tapered raceway.According to the number of columns, the bearings are divided into single row, double row and four row tapered roller bearings.Single row tapered roller bearings can withstand radial load and single direction axial load.When the bearing bears the radial load, an axial component force will be generated, so another bearing which can bear the opposite axial force is needed to balance it.

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Parameters

30200

Bearing No.	Dimensions							Load ratings		Mass
	d	D	B	C	T	RO	RI	Dynamic	Static
	mm							Cr（kN）	C0r（kN）	kg
31305	25	62	17	13	18.25	1.5	1.5	40.5	46	0.262
31306	30	72	19	14	20.75	1.5	1.5	52.5	60.5	0.392
31307	35	80	21	15	22.75	2.0	2.0	65.8	76.8	0.514
31308	40	90	23	17	25.25	2.0	1.5	81.5	96.5	0.727
31309	45	100	25	18	27.25	2.0	1.5	95.5	115	0.944
31310	50	110	27	19	29.25	2.5	2.0	108	128	1.210
31311	55	120	29	21	31.5	2.5	2.0	130	158	1.560
31312	60	130	31	22	33.5	3.0	2.5	145	178	1.900
31313	65	140	33	23	36	3.0	2.5	165	202	2.370
31314	70	150	35	25	38	3.0	2.5	188	230	2.860
31315	75	160	37	26	40	3.0	2.5	208	258	3.380
31316	80	170	39	27	42.5	3.0	2.5	230	288	4.050
31317	85	180	41	28	44.5	4	3.0	255	318	4.690
31318	90	190	43	30	46.5	4	3.0	282	358	5.460
31319	95	200	45	32	49.5	4	3.0	310	400	6.460
31320	100	215	51	35	56.5	4	3.0	372	488	8.590
31321	105	225	53	36	58	4	3.0	398	525	9.580
31322	110	240	57	38	63	4	3.0	458	610	12.100
31324	120	260	62	42	68	4	3.0	535	725	15.300
31326	130	280	66	44	72	5	4	592	605	18.400
31328	140	300	70	47	77	5	4	678	928	22.800
31330	150	320	75	50	82	5	4	772	1070	27.400

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