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

W 637/8 R-2ZS

Dimensions

d		8	mm
D		12	mm
B		3.5	mm
d₁	≈	9.05	mm
D₂	≈	11.33	mm
D₃		13.6	mm
C		0.8	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	8.8	mm
d_a	max.	9	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		50000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	8.2

Mass

Mass bearing

0.0012

Model Number: W 637/8 R-2ZS
Inner Diameter：8mm Outer Diameter：12mm Width：3.5mm
Reference speed:50000 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:natural instruments,machining,light therapy instrument,stacker lift platform,Generator,hydraulic pressure gauge,milling head plug,electronic materials,plastic molding,equipment,test strip
Similar models:W 637/3-2Z PWM 556370 W 637/8 XR BC2B 326379/HA4 W 637/8 R-2ZS W 637 W 637/4 X W 637/4 X-2Z W 637-2Z W 637/4 XR-2Z
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Hot number： 2200565 26209 6008 N 6096 MB 7015 CD/HCP4AL 7021 CD/HCP4AL 71916 ACD/P4AL C 3030 MB GB 3020 GX 30 F K 89306 TN IR 17x22x13 NK 110/30 SAKAC 20 M SNL 3196 TURA