SKF Deep Groove Ball Bearings W638/3-2Z

SKF Bearing , SKF Deep groove ball bearings are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than other bearing types.

The SKF bearing catalogue lists a large range of designs, variants and sizes of deep groove ball bearings. Beyond our catalogue offering, the SKF Explorer deep groove ball bearings are customizable to offer advantages for applications with specific performance needs.

SKF BEARINGS various selection , welcome inquiry online or email me directly to : info@cmtgbearing.com.

SKF Deep groove ball bearings

Designation	Principal dimensions			Basic load ratings		Speed ratings
				dynamic	static	Reference speed	Limiting speed
	d[mm]	D[mm]	B[mm]	C[kN]	C₀[kN]	[r/min]	[r/min]
W 638/3-2RS1	3	7	3	0.178	0.057		45 000
W 638/3-2Z	3	7	3	0.178	0.057	160 000	80 000
W 638/4 R-2RS1	4	9	4	0.364	0.114		40 000
W 638/4 R-2Z	4	9	4	0.364	0.114	140 000	70 000
W 638/4 X-2RS1	4	10	4	0.553	0.245		36 000
W 638/4 X-2Z	4	10	4	0.553	0.245	130 000	63 000
W 638/4-2RS1	4	9	4	0.364	0.114		40 000
W 638/4-2Z	4	9	4	0.364	0.114	140 000	70 000
W 638/5 R-2RS1	5	11	5	0.403	0.143		34 000
W 638/5 R-2Z	5	11	5	0.403	0.143	120 000	60 000
W 638/5-2RS1	5	11	5	0.403	0.143		34 000
W 638/5-2Z	5	11	5	0.403	0.143	120 000	60 000
W 638/8 R-2Z	8	16	6	0.715	0.3	90 000	45 000
W 638/8-2Z	8	16	6	0.715	0.3	90 000	45 000
W 638/9-2Z	9	17	6	0.761	0.335	85 000	43 000
W 63800 R-2Z	10	19	7	1.48	0.83	80 000	38 000
W 63800-2Z	10	19	7	1.48	0.83	80 000	38 000
W 63801-2RS1	12	21	7	1.51	0.9		20 000
W 639	9	30	10	4.36	2.32	60 000	36 000
W 639-2RS1	9	30	10	4.36	2.32		16 000
W 639-2Z	9	30	10	4.36	2.32	60 000	30 000
W 639/1.5 R-2Z	1.5	5	2.6	0.135	0.036	200 000	100 000
W 639/2 R-2Z	2	6	3	0.19	0.051	180 000	90 000
W 639/2-2Z	2	6	3	0.19	0.051	180 000	90 000
W 639/3 R-2RS1	3	8	4	0.319	0.09		43 000
W 639/3 R-2Z	3	8	4	0.319	0.09	150 000	75 000
W 639/3-2RS1	3	8	4	0.319	0.09		43 000
W 639/3-2Z	3	8	4	0.319	0.09	150 000	75 000
WBB1-8700	1.2	4	1.8	0.062	0.016	220 000	140 000
WBB1-8700-2Z	1.2	4	2.5	0.062	0.016	220 000	110 000

CMTG BEARING CO.,LIMITED. has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.

Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.

Your inquiries will have our highest attention and fast reply. Looking for hearing from you.