Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638-2RS1

W 638-2RS1

Dimensions

d		8	mm
D		28	mm
B		9	mm
d₂	≈	13.9	mm
D₂	≈	22.38	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	10	mm
d_a	max.	13.8	mm
D_a	max.	26	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	3.97	kN
Basic static load rating	C₀	1.96	kN
Fatigue load limit	P_u	0.083	kN
Reference speed		0	r/min
Limiting speed		19000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	12.4

Mass

Mass bearing

0.028

Model Number: W 638-2RS1
Inner Diameter：8mm Outer Diameter：28mm Width：9mm
Reference speed:19000 r/min Limiting speed:0 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-30
Application:respirator,Spectral Products,Spectrum Products,historical instruments,set bacteria instrument,forming machine,machining,industrial fans,Storage Tool,root canal filling,plant determination
Similar models:W 638-2RZ W 638/2 XR-2Z SAF 22638 x 7 W 63806 R-2Z W 63804-2RS1 W 63803-2RS1 W 63806-2Z W 638/4 R-2RS1 SAF 22638 x 7 TLC W 63800
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Model No. Inner Diameter Outer Diameter Width Type

14x28x7 HMS5 RG
51140 M
63/22
90874
AOH 32/670 G

Purchase the SKF W 638-2RS1 Please fill in the following

Hot number： 2311 M 24126-2CS5/VT143 34x56x8 CRW1 R 51103 V/HR11Q1 625-Z 7013 ACE/P4A 71906 ACB/HCP4A HCCE 040 R HM 3164 NA 4909.2RS OKF 270 QJ 1244 N2MA SNW 10x1.11/16 SYR 3 15/16-3 WS 81106

Model No.	Inner Diameter	Outer Diameter	Width	Type
14x28x7 HMS5 RG
51140 M
63/22
90874
AOH 32/670 G