Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF D/W R4-2Z

D/W R4-2Z

Dimensions

d		6.35	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.	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		95000	r/min
Limiting speed		48000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0042

Model Number: D/W R4-2Z
Inner Diameter：6.35mm Outer Diameter：15.875mm Width：4.978mm
Reference speed:48000 r/min Limiting speed:95000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-19
Application:Anti-defibrillation pacing,metal mold,lifting upgrade,Hydraulic Rama,chuck industry,Spectrum Products,ECG,outdoor equipment,electric hydraulic lifting platform,Medical printer,squeeze machine etc
Similar models:240/800 ECA/W33 16007 NJ 204 ECP NNU 41/710 K30M/W33 248/800 CAMA/W20 SYNT 60 LTS SSAFS 23028 KATLC x 5 6220 M 6006-RZ 7012 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in D/WR4-2Z products，there is large inventory of SKF D/W R4-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the D/W R4-2Z Which SKF D/WR4-2Z 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
16680	42.8752	61.9	7.95	Seals
22212 E	60	110	28	Bearings, units and housings
23076 CCK/W33	380	560	135	Bearings, units and housings
31318/DF	90	190	-	Bearings, units and housings
409503	911	-	-	Seals
524204	228.6	-	-	Seals
71910 CB/P4AL	50	72	12	Bearings, units and housings
BT2-8017/HA3	320	515	-	Bearings, units and housings
G 43x53x4	43	53	4	Seals
S71918 CB/HCP4A	90	125	18	Bearings, units and housings
SAFS 22538 x 7 T	177.8	-	-	Bearings, units and housings
SYE 2 1/2 N	63.5	-	-	Bearings, units and housings

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