Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF D/W R3A

D/W R3A

Dimensions

d		4.762	mm
D		15.875	mm
B		4.978	mm
d₂	≈	8.4	mm
D₂	≈	13.8	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	6.8	mm
d_a	max.	8.3	mm
D_a	max.	13.9	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	0.852	kN
Basic static load rating	C₀	0.315	kN
Fatigue load limit	P_u	0.014	kN
Reference speed		85000	r/min
Limiting speed		56000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0044

Model Number: D/W R3A
Inner Diameter：4.762mm Outer Diameter：15.875mm Width：4.978mm
Reference speed:56000 r/min Limiting speed:85000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-08-25
Application:sleep monitoring,spring industry,enzyme,Broadcasting System,set bacteria instrument,circulating pump,extruder,Storage Tool,gear type,linear drive,Other Measurements
Similar models:NUP 2205 ECP WS 81220 YEL 211-200-2F BS2-2318-2RS5/VT143 HN 1516 NJ 213 ECM 23064 CCK/W33 81209 TN 32220/DF GE 70 ES
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Model No. Inner Diameter Outer Diameter Width Type

331197 A
470461
FY 1.3/8 LDW
RNA 4909
SAW 23538 T

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Model No.	Inner Diameter	Outer Diameter	Width	Type
331197 A
470461
FY 1.3/8 LDW
RNA 4909
SAW 23538 T