Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF D/W R4A-2Z

D/W R4A-2Z

Dimensions

d		6.35	mm
D		19.05	mm
B		7.142	mm
d₂	≈	8.5	mm
D₂	≈	16.5	mm
r_1,2	min.	0.4	mm

Abutment dimensions

d_a	min.	8.4	mm
d_a	max.	8.4	mm
D_a	max.	16.6	mm
r_a	max.	0.4	mm

Calculation data

Basic dynamic load rating	C	1.53	kN
Basic static load rating	C₀	0.585	kN
Fatigue load limit	P_u	0.025	kN
Reference speed		80000	r/min
Limiting speed		40000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	7.9

Mass

Mass bearing

0.0091

Model Number: D/W R4A-2Z
Inner Diameter：6.35mm Outer Diameter：19.05mm Width：7.142mm
Reference speed:40000 r/min Limiting speed:80000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-08-19
Application:plant determination,forming machine,stamping die,industrial equipment,Logistics Equipment,building decoration raw materials and accessories,laser devices,spreader series,Film machine,Sensors,coupling type
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Model No. Inner Diameter Outer Diameter Width Type

110x140x12 CRW1 R
BD-22208 EK-H 308
SAF 22318 TLC
SAF 22528 T
SAW 23518 x 3.1/16 TLC

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Hot number： 18546 25x52x7 HMS5 RG 325 VA V 309 526618 6020-Z 6009 NR 7024 ACE/P4AL 71901 ACE/P4A 71932 ACD/P4AH1 BT4B 328944 G/HA1VA901 NNC 4856 CV SIL 30 ES SSAFS 23048 KAT x 9 TUWK 1. LTHR

Model No.	Inner Diameter	Outer Diameter	Width	Type
110x140x12 CRW1 R
BD-22208 EK-H 308
SAF 22318 TLC
SAF 22528 T
SAW 23518 x 3.1/16 TLC