WR Series

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Description
Technical diameters

Inquiry	PDF	Bearing Number	Boundary dimensions(mm)
Inquiry	PDF	Bearing Number	D	L	A	d	B	C	d1	d2	S1	S2	E
		WR1938125D-2	38.1	54.1	125	18.95	28.4	42		15.875		39.3
		WR1938125D-3	38.1	54.1	125.4	18.961	28.83	42.47		15.918		39.03
		WR1938126D	38.1	54.1	125.98	18.961	28	43.88		12.038		40.7
		WR1938128D	38.1	54.1	127.51	18.961	27.94	45.47		15.918		42.93
		WR1938129D	38.1	54.1	128.88	18.961	24.1	50.68		12.038		48.26
		WR1938129D-1	38.1	54.1	129.06	18.961	31.4	43.56		15.918		41.02
		WR1938132D	38.1	54.1	131.8	18.961	24	53.7		15.918		49.4
		WR1938133D	38.1	54.1	133.3	18.961	32.41	46.79		12.037		44.04
		WR1938135D	38.1	54.1	134.6	18.961	31.5	49		15.918		44.7
		WR1938135D-1	38.1	54.1	134.87	18.961	29.97	50.8		15.918		48.26
		WR1938135D-2	38.1	54.1	134.87	18.961	29.97	50.8		12.037		48.31
		WR1938135DD	38.1	54.1	134.62	18.961	31.62	48.9	15.918	15.918	7.11	44.7
		WR1938136D	38.1	54.1	135.64	18.961	31.76	49.78		15.918		47.24
		WR1938136D-1	38.1	54.1	136	18.961	22.25	59.65		15.918		57.25
		WR1938136DD	38.1	54.1	136.4	18.961	36.07	46.23	15.918	15.918	12.45	43.43
		WR1938137DD	38.1	54.1	137.41	18.961	30.73	52.58	15.918	15.918	12.19	39.62
		WR1938138D	38.1	54.1	137.92	18.961	33.02	50.8		15.918		48.26
		WR1938138D-1	38.1	54.1	137.92	18.961	33.02	50.8		12.037		48.26
		WR1938138D-2	38.1	54.1	138.02	18.961	42.52	41.4		15.918		36.96
		WR1938142DD	38.1	54.1	141.86	18.961	36.2	51.56	15.918	15.918	12.32	43.43
		WR1938144DD	38.1	54.1	143.48	18.961	30.71	58.67	15.918	15.918	12.24	50.55
		WR1938144DD-1	38.1	54.1	143.48	18.961	30.71	58.67	15.918	15.918	12.24	45.09
		WR1938145D	38.1	54.1	144.53	18.961	31.6	58.83		15.918		44.45
		WR1938145D-1	38.1	54.1	144.78	18.961	32.77	57.91		15.918		54.23
		WR1938146D	38.1	54.1	146.05	18.961	44.32	47.63		15.918		44.5
		WR1938146DD	38.1	54.1	146.05	18.961	36.2	55.75	15.918	15.918	13.72	51.56
		WR1938149D	38.1	54.1	148.59	18.961	45.59	48.9		15.918		45.72
		WR1938151	38.1	54	150.5	18.96	35.05	61.45			15.92	58.29
		WR1938151D	38.1	54.1	150.5	18.961	34.93	61.47		15.918		58.29
		WR1938151DD	38.1	54	150.5	18.96	35.05	61.45	15.92	15.92	12.88	58.29
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The main function of the hub bearing is to bear load and provide precise guidance for the rotation of the hub. It bears both axial load and radial load, and is a very important component. Traditional automobile wheel bearings are composed of two sets of tapered roller bearings or ball bearings. The installation, oiling, sealing and clearance adjustment of the bearings are all performed on the automobile production line.

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