Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF WBB1-8700-2Z

WBB1-8700-2Z

Dimensions

d		1.2	mm
D		4	mm
B		2.5	mm
d₁	≈	2.15	mm
D₂	≈	3.5	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	2	mm
d_a	max.	2.1	mm
D_a	max.	3.5	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		110000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.4

Mass

Mass bearing

0.0001

Model Number: WBB1-8700-2Z
Inner Diameter：1.2mm Outer Diameter：4mm Width：2.5mm
Reference speed:110000 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:bio-chemical,chuck industry,hydraulic cylinder,stamping die,wall industry,woodworking machinery,screen filter,other accessories,fabric products,Traffic Fire Protection Equipment Security equipment,surgical instruments
Similar models:WBB1-8700 R WBB1-8700-2Z WBB1-8700
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