Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 634 R-2Z

W 634 R-2Z

Dimensions

d		4	mm
D		16	mm
B		5	mm
d₂	≈	6.7	mm
D₂	≈	13	mm
D₃		18	mm
C		1	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	6	mm
d_a	max.	6.6	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	0.761	kN
Basic static load rating	C₀	0.265	kN
Fatigue load limit	P_u	0.011	kN
Reference speed		100000	r/min
Limiting speed		50000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	6.8

Mass

Mass bearing

0.0057

Model Number: W 634 R-2Z
Inner Diameter：4mm Outer Diameter：16mm Width：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：2026-07-29
Application:forklift industry,dye pigments,ventilation equipment,food / grain / food equipment,Switch,Air,Individual Wire,Material handling equipment,medical equipment,coal mill,Industrial Electromechanical
Similar models:SAF 22634 SAF 22634 x 5.13/16 TLC SAF 22634 x 6 T 634 D/W ER1634 BD1B 634132 BB1B 363471 W 634 R 634-RS1 W 634 R-2Z
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Model No. Inner Diameter Outer Diameter Width Type

32972/DF
555 VRME R
99282
K 89440 M
W 20

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Model No.	Inner Diameter	Outer Diameter	Width	Type
32972/DF
555 VRME R
99282
K 89440 M
W 20