Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 61921

61921

Dimensions

d		105	mm
D		145	mm
B		20	mm
d₁	≈	117.9	mm
D₁	≈	132.1	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	111	mm
D_a	max.	139	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	44.2	kN
Basic static load rating	C₀	44	kN
Fatigue load limit	P_u	1.7	kN
Reference speed		9500	r/min
Limiting speed		5600	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	16.5

Mass

Mass bearing

0.87

Model Number: 61921
Inner Diameter：105mm Outer Diameter：145mm Width：20mm
Reference speed:5600 r/min Limiting speed:9500 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:economic mold,Storage Device,paint paint,ventilation equipment,machining,large agricultural machinery,metallurgy,hydraulic connector,Cylinder Standard,lifting upgrade,small diesel generators
Similar models:61921
BEARING POWER International Trading Co.,Ltd. specialize in 61921 products，there is large inventory of SKF 61921 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 61921 Which SKF 61921 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.
Model No. Inner Diameter Outer Diameter Width Type

42x72x10 HMS5 V
50x80x10 HMSA10 V
6383
C 2211 KTN9
K 89310 TN

Purchase the SKF 61921 Please fill in the following

Hot number： 52x72x8 HMSA10 RG 61817-2RS1 6300-2RSL 7030 ACD/P4AL 71913 ACE/P4AL 99487 D/W R166 JM 511946/910 K 8x11x8 TN NJ 2310 ECPH NUH 2248 ECMH/PEX PBM 162220 M1G1 SAF 22618 TLC SAFS 22534 x 5.7/8 T SYE 2 1/2

Model No.	Inner Diameter	Outer Diameter	Width	Type
42x72x10 HMS5 V
50x80x10 HMSA10 V
6383
C 2211 KTN9
K 89310 TN