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
		WR1938151DD-1	38.1	54.1	150.5	18.961	34.93	61.47	15.918	15.918	12.88	58.29
		WR1938151DD-2	38.1	54.1	151.43	18.961	30.71	66.62	15.918	15.918	12.27	53.49
		WR1938152D	38.1	54.1	152.27	18.961	40.51	57.66		15.918		55.12
		WR1938153DD	38.1	54.1	152.91	18.961	46.23	52.58	15.918	15.918	28.58	43.27
		WR1938155D	38.1	54.1	155.04	18.961	37.67	63.27		12.7		45.09
		WR1938155D-1	38.1	54.1	155.05	18.961	37.66	63.29		12.038		45.09
		WR1938157D	38.1	54.1	156.59	18.961	39.5	62.99		15.918		59.82
		WR1938157D-1	38.1	54.1	156.59	18.961	39.62	62.87		15.918		59.54
		WR1938158DD	38.1	54.1	157.99	18.961	46.61	57.28	15.918	15.918	14.78	52.83
		WR1938158DD-1	38.1	54.1	157.99	18.961	46	57.89	15.918	15.977	15.06	24.89	52.3
		WR1938158DD-2	38.1	54.1	158.24	18.961	43.05	61.09	15.918	15.918	14.1	56.64
		WR1938158DD-3	38.1	54.1	158.4	18.961	34.78	69.52	15.918	15.918	12.8	60.3
		WR1938159DD	38.1	54.1	158.67	18.961	34.92	69.65	15.918	15.918	12.88	61.9
		WR1938161D	38.1	54.1	160.53	18.961	44.33	62.1		15.918		58.93
		WR1938161DD	38.1	54.1	161.04	18.961	46.61	60.33	15.918	15.918	33.15	55.88
		WR1938162DD	38.1	54.1	161.93	18.961	35.44	72.39	15.918	15.918	15.14	70.05
		WR1938175D	38.1	52.6	174.8	18.961	52.91	69.29		12.037		42.88
		WR1938175D-1	38.1	54.1	174.75	18.961	52.41	68.24		12.038		43
		WR1938175D-2	38.1	54.1	174.8	18.961	52.4	68.3		12.037		43
		WR1938175DD	38.1	54.1	174.75	18.961	52.4	68.25	15.918	15.918	14.1	63.75
		WR1938175DD-1	38.1	54.1	174.75	18.961	35	85.65	15.918	12.037	14.12	59.84
		WR1938175DD-2	38.1	54.1	174.75	18.961	52.53	68.12	15.918	12.038	14.1	43
		WR1938176DD	38.1	54	175.7	19	53	68.7	16	16	14	64
		WR1940112D	40	50	112	19	29	33		12		32
		WR1940117D	40	46	117	18.961	29.3	41.7		15.918		39.1
		WR1940122D	40	50	122	19	22	50		12		46
		WR2040105	40	50	104.5	20.004	47.5	7
		WR2040112D	40	50	112	20.004	18	44		16		40
		WR2040143	40	50	143	20	31.5	61.5			16	55
		WR2042131DD	42	45.9	130.5	20.004	23.6	61	19	12	22.6	59
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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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