Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF D/W R156-2ZS

D/W R156-2ZS

Dimensions

d		4.762	mm
D		7.938	mm
B		3.175	mm
d₁	≈	5.53	mm
D₂	≈	7.3	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	5.4	mm
d_a	max.	5.4	mm
D_a	max.	7.4	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.203	kN
Basic static load rating	C₀	0.075	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		140000	r/min
Limiting speed		70000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	7.6

Mass

Mass bearing

0.00041

Model Number: D/W R156-2ZS
Inner Diameter：4.762mm Outer Diameter：7.938mm Width：3.175mm
Reference speed:70000 r/min Limiting speed:140000 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:outdoor equipment,lifting tackle,nail products,Oral Equipment,electromagnetic clutch,agrochemical,scientific instruments,floor industry,switch,Garment Accessories,cleaning agent
Similar models:D/W RW156 R-2ZS 23156 CCK/W33 SNL 3156 BD-22256 CCK/W33-OH 3156 H SNL 3156 ATURA 81156 M SNP 3156x10.7/16 WS 81156 23156-2CS5K/VT143 SNL 3156 TURT
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Model No.	Inner Diameter	Outer Diameter	Width	Type
17435	45.0088	65	5	Seals
19900	50.8	73.03	12.7	Seals
26211	66.675	92.02	11.13	Seals
331492	304.648	438.048	-	Bearings, units and housings
40x60x8 CRW1 R	40	60	8	Seals
45x55x7 HMS5 V	45	55	7	Seals
BT4B 334015 BG/HA1VA901	679.45	901.7	-	Bearings, units and housings
FY 60 TF/VA228	60	-	73.7	Bearings, units and housings
IR 25x30x20	25	30	20	Bearings, units and housings
NK 18/20	18	26	20	Bearings, units and housings
NU 2244 ECML	220	400	108	Bearings, units and housings
S7211 ACD/P4A	55	100	21	Bearings, units and housings

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