Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF WBB1-8701 R

WBB1-8701 R

Dimensions

d		2	mm
D		7	mm
B		2.5	mm
d₁	≈	3.85	mm
D₁	≈	5.65	mm
D₃		8.2	mm
C		0.6	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.1	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.221	kN
Basic static load rating	C₀	0.067	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		160000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	6.6

Mass

Mass bearing

0.0005

Model Number: WBB1-8701 R
Inner Diameter：2mm Outer Diameter：7mm Width：2.5mm
Reference speed:100000 r/min Limiting speed:160000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-08-04
Application:Optical detection,Power equipment,Display Devices,ventilation equipment,Hydraulic Press,surgical instruments,Small air generators,outdoor equipment,crimping tools,thin metal materials,chromatography
Similar models:WBB1-8701 WBB1-8701 R
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Model No. Inner Diameter Outer Diameter Width Type

71912 ACE/HCP4AL
7319 BEGAP
H 2311
SAF 22613 x 2.1/8 TLC
SYR 1 1/2

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Hot number： 40x58x7 HMSA10 RG 544167 6004/VA201 6205-2RSH 6216 7021 ACD/HCP4AH1 7208 BEGAY 7228 BCBM BT4B 328704 G/HA1 FY 25 FM FYTBK 30 TR HJ 316 EC RPNA 25/42 S7018 ACB/P4A SNL 3180 ATURT

Model No.	Inner Diameter	Outer Diameter	Width	Type
71912 ACE/HCP4AL
7319 BEGAP
H 2311
SAF 22613 x 2.1/8 TLC
SYR 1 1/2