Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 637/4 X-2Z

W 637/4 X-2Z

Dimensions

d		4	mm
D		8	mm
B		3	mm
d₁	≈	5	mm
D₂	≈	7.4	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.8	mm
d_a	max.	4.9	mm
D_a	max.	7.5	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.225	kN
Basic static load rating	C₀	0.072	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		150000	r/min
Limiting speed		75000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.2

Mass

Mass bearing

0.00051

Model Number: W 637/4 X-2Z
Inner Diameter：4mm Outer Diameter：8mm Width：3mm
Reference speed:75000 r/min Limiting speed:150000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-17
Application:industrial skin care,Hydraulic Couplings,baler,Laser Cutting,auto tools,car instrument,garbage disposal,spring industry,granulator,economic mold,stacker lift platform
Similar models:W 637/8 XR 6379/K-6320 W 637/9-2ZS W 637/9 R-2Z W 637/8-2Z W 637/8 X W 637/5 XR-2ZS W 637/4 XR PWM 556370 W 637/5 X-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W637/4X-2Z products，there is large inventory of SKF W 637/4 X-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 637/4 X-2Z Which SKF W637/4X-2Z is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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NCF 3092 CV	460	680	163	Bearings, units and housings
PCM 10010580 M	100	105	80	Bearings, units and housings
S71904 CE/P4A	20	37	9	Bearings, units and housings
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Hot number： 207-ZNR BD-22217 EK-H 317 23224-2CS5/VT143 29456 E 33114/DF 525 VL V 58x80x8 CRW1 R 7000 CE/P4A BS2-2212-2RS/VT143 FYWK 1. YTA N 211 ECP NNC 4920 CV NNCF 4948 CV NU 216 ECM/HC5C3 OKC 700