Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 638-RZ

638-RZ

Dimensions

d		8	mm
D		28	mm
B		9	mm
d₁	≈	14.8	mm
D₂	≈	22.6	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	10.4	mm
d_a	max.	14.7	mm
D_a	max.	25.6	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	1.33	kN
Basic static load rating	C₀	0.57	kN
Fatigue load limit	P_u	0.024	kN
Reference speed		60000	r/min
Limiting speed		38000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	12

Mass

Mass bearing

0.03

Model Number: 638-RZ
Inner Diameter：8mm Outer Diameter：28mm Width：9mm
Reference speed:38000 r/min Limiting speed:60000 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:office equipment,van,extruder,tapping machine,paper processing machine,large agricultural machinery,pressure control valve,fabric products,forklift truck,lathe,flexible processing
Similar models:W 638/2 R-2Z SAF 22638 x 6.13/16 W 63802 R W 63801-2RZ W 63802 R-2Z W 63803 R-2Z W 63802-2RZ W 638/8 R-2Z W 638/9-2Z W 63802-2RS1
BEARING POWER International Trading Co.,Ltd. specialize in 638-RZ products，there is large inventory of SKF 638-RZ Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 638-RZ Which SKF 638-RZ 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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