WB 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
		WB1938127DD-2	38.1	54.1	127	18.961	26.54	46.36	15.939	15.939	8.89	43.69
		WB1938128DD	38.1	54.1	127.48	18.961	30.91	42.47	15.918	15.918	14.35	39.3
		WB1938132D	38.1	54.1	131.6	18.961	24.5	53		15.918		48.1
		WB1938132D-1	38.1	54.1	131.8	18.961	24.5	53.2		15.918		49.2
		WB1938132D-2	38.1	54.1	131.8	18.961	28.6	49.1		15.918		45.3
		WB1938132DD	38.1	54.1	132.08	18.961	29.72	48.26	15.918	15.918	12.32	43.18
		WB1938133D	38.1	54.1	133.35	18.961	24.21	55.04		15.918		49.28
		WB1938134D	38.1	54.1	134.11	18.961	49.66	30.35	15.918		47.24
		WB1938135D	38.1	54.1	134.87	18.961	36.7	44.07		15.977		16.87	38.4
		WB1938135D-1	38.1	54.1	134.88	18.961	37.22	43.56		15.918		41.02
		WB1938135DD	38.1	54.1	134.62	18.961	31.62	48.9	18.961	15.918	7.11	44.7
		WB1938136D	38.1	54	135.64	18.961	31.88	49.76		15.918		47.24
		WB1938136DD	38.1	54.1	136.4	18.961	36.07	46.23	15.918	15.918	12.32	43.43
		WB1938136DD-1	38.1	54.1	135.86	18.961	30.71	51.05	15.918	15.918	12.24	42.93
		WB1938137DD	38.1	54	136.65	18.961	36.7	45.95	15.918	15.918	33.02	42.42
		WB1938137DD-1	38.1	54.1	136.7	18.961	40.13	42.47	15.918	15.918	14.35	39.29
		WB1938137DD-2	38.1	54.1	137.39	18.961	30.71	52.58	15.918	15.918	12.24	44.45
		WB1938138D	38.1	54.1	138.02	18.961	42.52	41.4		15.918		36.96
		WB1938140DD	38.1	54.1	139.7	18.961	35.43	50.17	15.918	15.918	15.39	47.75
		WB1938142D	38.1	54.1	141.73	18.961	43.81	43.82		15.918		40.77
		WB1938142D-1	38.1	54.1	141.99	18.961	31.63	56.26		15.918		51.94
		WB1938143D	38.1	54	143.16	19.012	35.44	53.72		15.977		49.4
		WB1938143DD	38.1	54.1	142.62	18.961	39.37	49.15	15.918	15.918	30.86	45.59
		WB1938144D	38.1	54	143.46	18.961	30.84	58.62		15.918		50.55
		WB1938144D-1	38.1	54.1	143.51	18.961	31.5	57.91	15.918		11.7		41.22
		WB1938144DD	38.1	54	143.5	18.961	30.84	58.66	15.918	15.918	12.24	50.54
		WB1938144DD-1	38.1	54.1	143.48	18.961	30.71	58.67	15.918	15.918	12.24	50.55
		WB1938144DD-2	38.1	54.1	143.48	18.961	30.71	58.67	15.918	15.918	12.24	45.09
		WB1938145D	38.1	54.1	144.53	18.961	31.6	58.83		15.918		44.45
		WB1938146D	38.1	54.1	146.05	18.961	44.32	47.63		15.918		44.5
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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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