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：2025-11-29
Application:marine test,light therapy instrument,test equipment,metallurgical mold,other accessories,Embroidery,municipal machinery,construction machinery and equipment,food packaging,embroidery cloth,electrostatic protection
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.

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