Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF WBB1-8700 R

WBB1-8700 R

Dimensions

d		1.2	mm
D		4	mm
B		1.8	mm
d₁	≈	2.15	mm
D₁	≈	3.05	mm
D₃		4.8	mm
C		0.4	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	2	mm
d_a	max.	2.1	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.062	kN
Basic static load rating	C₀	0.016	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		220000	r/min
Limiting speed		140000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.4

Mass

Mass bearing

0.0001

Model Number: WBB1-8700 R
Inner Diameter：1.2mm Outer Diameter：4mm Width：1.8mm
Reference speed:140000 r/min Limiting speed:220000 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:stirrer,suction nozzle,stamping die,coal,medical Equipment,miscellaneous instruments,scientific instruments,Body shaping,food testing,safety testing,Broadcasting System
Similar models:WBB1-8700 WBB1-8700-2Z WBB1-8700 R
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