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

WBB1-8700

Dimensions

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

Abutment dimensions

d_a	min.	2	mm
d_a	max.	2.1	mm
D_a	max.	3.2	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
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:Other machinery,Hydraulic Press,Beauty and Body,Roller,Broadcasting System,Wire grinder,paint paint,sewage pump,organic raw materials,Safety protection,Cutting Machine
Similar models:WBB1-8700 R WBB1-8700-2Z WBB1-8700
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45x72x10 HMSA10 RG	45	72	10	Seals
6304-ZNR	20	52	15	Bearings, units and housings
708 ACD/P4AH	8	22	7	Bearings, units and housings
H 3132 L	140	190	119	Bearings, units and housings
NJ 322 ECM	110	240	50	Bearings, units and housings
NNU 4964 BK/SPW33	320	440	118	Bearings, units and housings
OH 30/950 HE	900	1080	420	Bearings, units and housings
PSM 162212 A51	16	22	12	Bearings, units and housings
W 61908-2RS1	40	62	12	Bearings, units and housings
W 61803 R-2Z	17	26	5	Bearings, units and housings

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