Single Row Tapered Roller Bearings (Inch series)

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Design Variants

Cage

Tolerance

Internal clearance

In the new design, please preferentially choose DHK metric tapered roller bearings.

Inch tapered roller bearings are available from DHK upon request and all bearing parameters are listed in the catalogue.

In the new design, please preferentially choose DHK metric tapered roller bearings.
Inch tapered roller bearings are available from DHK upon request and all bearing parameters are listed in the catalogue.
DHK inch tapered roller bearing adopts punch plate cage.
The clearance of a single row tapered roller bearing is set by adjusting another set of bearings used with it during installation.
The axial clearance of DHK bearing pairs face to face and back to back is shown in the table below. DHK can be customized with axial clearance as required.

Dimensions and Parameters

Inquiry	Designations	Series	Boundary dimensions（mm）									Load ratings(KN)		Fatigue load	Speed ratings[rpm]		Mass(kg)	Abutment and fillet dimensions（mm）									Calculation factors
Inquiry	Designations	Series	d	D	T	d1	B	C	r1.2 min	r3.4 min	a	Dynmic Cr	stat Cor	pu	油润滑	grease	Mass(kg)	da max	db min	Da min	Da max	Db min	Cb min	Ca min	ra max	rb max	e	Y	Y0
	K-621/K-612	615	53.975 2.1250	120.65	41.275	83.5	41.275	21.75	3.5	3.3	27	168	212	24	3200	4300	2.2	69	63.5	98	108	108	6	9.5	3	3	0.31	1.9	1.1
			53.975 2.1250	4.75	1.625		1.625	1.25	0.14	0.13
	K-65212/K-65500	65000	53.975 2.1250	127	44.45	92	44.45	34.925	3.5	3.3	35	209	275	21.5	3000	4000	2.8	71	67	99	114.5	118	5	9.5	3	3	0.48	1.25	0.7
			53.975 2.1250	5	1.75		1.75	1.375	0.14	0.13
	K-28680/K-28622	28600	55.562 2.1875(cont.)	97	24.608	76.7	24.608	19.446	3.5	0.8	21	89.7	129	14.6	3800	5000	0.76	66	68	84	89.5	91	4	5	3	0.6	0.4	1.5	0.8
			55.562 2.1875(cont.)	3.8437	0.9688		0.9688	0.7656	0.14	0.03
	K-5566/K-5535	5500	55.562 2.1875(cont.)	122.238	43.658	94.6	43.764	36.512	1.3	3.3	31	201	305	34.5	3000	4000	2.65	77	64	87	109.5	115	6	7	1	3	0.35	1.7	0.9
			55.562 2.1875(cont.)	4.8125	1.7188		1.723	1.4375	0.05	0.13
	K-387/K-382A	385	57.150 2.2500	96.838	21	74.1	21.946	15.875	2.3	0.8	17	80.9	102	11.8	3800	5000	0.59	65	67	87	89.5	91	5	5	2	0.6	0.35	1.7	0.9
			57.150 2.2500	3.8125	0.8268		0.864	0.625	5	0.03
	K-387A/K-382A	385	57.150 2.2500	96.838	21	74.1	21.964	15.875	0.09	0.8	17	80.9	102	11.8	3800	5000	0.59	65	69.5	102	89.5	91	5	5	3	0.6	0.35	1.7	0.9
			57.150 2.2500	3.8125	0.8268		0.864	0.625	3.5	0.03
	K-387AS/K-382A	385	57.150 2.2500	96.838	21	74.1	21.946	15.875	0.14	0.8	17	80.9	102	11.8	3800	5000	0.58	65	72.5	87	89.5	91	5	5	4	0.6	0.35	1.7	0.9
			57.150 2.2500	3.8125	0.8268		0.864	0.625	0.2	0.03
	K-387/K-382S	385	57.150 2.2500	96.938	25.4	74.1	21.964	20.274	2.3	2.3	21	80.9	102	11.8	3800	5000	0.59	65	67.5	87	89.5	91	5	5	2	2	0.35	1.7	0.9
			57.150 2.2500	3.8125	1		0.864	0.7982	0.09	0.09
	K-387A/K-382S	385	57.150 2.2500	96.838	25.4	74.1	21.956	20.274	3.5	2.3	21	80.9	102	11.8	3800	5000	0.59	65	69.5	87	89.5	91	5	5	3	2	0.35	1.7	0.9
			57.150 2.2500	3.8125	1		0.864	0.7982	0.14	0.09
	K-387AS/K-382S	385	57.150 2.2500	96.838	25.4	74.1	21.964	20.274	5	2.3	21	80.9	102	11.8	3800	5000	0.58	65	72.5	87	89.5	91	5	5	4	2	0.35	1.7	0.9
			57.150 2.2500	3.8125	1		0.864	0.7982	0.2	0.09
	K-28682/K-28622	28600	57.150 2.2500	97.63	24.608	76.7	24.608	19.446	3.5	0.8	21	89.7	129	11.8	3800	5000	0.7	66	69.5	84	90.5	91	4	5	3	0.6	0.4	1.5	0.8
			57.150 2.2500	3.84537	0.9688		0.9688	0.7656	0.14	0.03
	K-387/K-382	385	57.150 2.2500	98.425	21	74.4	21.946	17.826	2.3	0.8	17	80.9	102	11.8	3800	5000	0.64	65	67.5	87	91.5	92	5	3	2	0.6	0.35	1.7	0.9
			57.150 2.2500	3.875	0.8268		0.864	0.7018	0.09	0.03
	K-387A/K-382	385	57.150 2.2500	98.425	21	74.4	21.964	17.826	3.5	0.8	17	80.9	102	11.8	3800	5000	0.64	65	69.5	87	91.5	92	5	3	3	0.6	0.35	1.7	0.9
			57.150 2.2500	3.875	0.8268		0.864	0.7018	0.14	0.03
	K-387AS/K-382	385	57.150 2.2500	98.425	21	74.4	21.946	17.826	0.2	0.8	17	80.9	102	11.8	3800	5000	0.63	65	72.5	87	91.5	92	5	3	4	0.6	0.35	1.7	0.9
			57.150 2.2500	3.875	0.8268		0.864	0.7018	5	0.03
	K-387/K-382A	385	57.150 2.2500	100	21	74.4	21.964	17.826	2.3	2	17	80.9	102	11.8	3800	5000	0.64	65	67.5	87	91.5	92	5	3	2	1.5	0.35	1.7	0.9
			57.150 2.2500	3.937	0.8268		0.864	0.7018	0.09	0.08
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