Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 637/8-2Z

W 637/8-2Z

Dimensions

d		8	mm
D		12	mm
B		3.5	mm
d₁	≈	9	mm
D₂	≈	11.31	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	8.6	mm
d_a	max.	8.9	mm
D_a	max.	11.5	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.312	kN
Basic static load rating	C₀	0.14	kN
Fatigue load limit	P_u	0.006	kN
Reference speed		100000	r/min
Limiting speed		53000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	8.2

Mass

Mass bearing

0.001

Model Number: W 637/8-2Z
Inner Diameter：8mm Outer Diameter：12mm Width：3.5mm
Reference speed:53000 r/min Limiting speed:100000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:floor industry,food sterilization,small appliances,Medical room equipment,defogging and degreasing,food packaging,Dental Drill etc,hydraulic pump,Storage Device,marine analysis and testing equipment,survey accessories
Similar models:W 637/2-2Z BC2B 326379/HA4 PWM 556370 W 637/4 X-2Z W 637/5 XR-2ZS W 637/5 XR-2Z W 637/4 XR-2Z W 637/5 X-2Z W 637/9 R-2Z W 637/8-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W637/8-2Z products，there is large inventory of SKF W 637/8-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 637/8-2Z Which SKF W637/8-2Z 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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32938	190	260	45	Bearings, units and housings
47x90x10 HMSA10 RG	47	90	10	Seals
C 3140	200	340	112	Bearings, units and housings
FYTWK 50 LTA	50	-	-	Bearings, units and housings
IR 12X16X12 IS1	12	16	12	Bearings, units and housings
HK 4018 RS	40	47	18	Bearings, units and housings
NJ 307 ECJ	35	80	21	Bearings, units and housings
S71917 ACD/HCP4A	85	120	18	Bearings, units and housings
W 638/2 X-2Z	2	5	2.5	Bearings, units and housings

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