Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 61821

61821

Dimensions

d		105	mm
D		130	mm
B		13	mm
d₁	≈	112.25	mm
D₂	≈	124.4	mm
r_1,2	min.	1	mm

Abutment dimensions

d_a	min.	110	mm
D_a	max.	125	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	20.8	kN
Basic static load rating	C₀	19.6	kN
Fatigue load limit	P_u	1	kN
Reference speed		10000	r/min
Limiting speed		6300	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	13.2

Mass

Mass bearing

0.31

Model Number: 61821
Inner Diameter：105mm Outer Diameter：130mm Width：13mm
Reference speed:6300 r/min Limiting speed:10000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-27
Application:Processing machinery,vertical sawing machine,Cleaning equipment,survey accessories,position switch,comprehensive experiment,Hydraulic Press,safety testing,rock drilling machinery,electric hydraulic lifting platform,Storage Tool
Similar models:61821-2RZ 61821-2RS1 61821
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Model No. Inner Diameter Outer Diameter Width Type

1800 VE R
BD-21311 EK-AHX 311
49985
AXK 1730
YAR 208-108-2FW/VA201

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Hot number： BD-22256 CCK/W33-OH 3156 H 18014 214-2Z 2307 EM 3687 33895/33821 407004 49984 51207 V/HR11T1 51417 M 71907 CE/HCP4A 99254 SD 22x28x4 W 17 WS 81126

Model No.	Inner Diameter	Outer Diameter	Width	Type
1800 VE R
BD-21311 EK-AHX 311
49985
AXK 1730
YAR 208-108-2FW/VA201