Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Four-point contact ball bearings -- Angular contact ball bearings, four-point contact ball bearings SKF QJ 1021 N2MA/C4

QJ 1021 N2MA/C4

Dimensions

d		105	mm
D		160	mm
B		26	mm
d₁	≈	124	mm
D₁	≈	141	mm
a		93	mm
h		5	mm
b		6.5	mm
r₀		0.5	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	115	mm
D_a	max.	150	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	135	kN
Basic static load rating	C₀	170	kN
Fatigue load limit	P_u	6.3	kN
Limiting speed		6700	r/min
Calculation factor	A	80.347
Calculation factor	e	0.95
Calculation factor	X	0.6
Calculation factor	Y₀	0.58
Calculation factor	Y₁	0.66
Calculation factor	Y₂	1.07

Mass

Mass bearing

Model Number: QJ 1021 N2MA/C4
Inner Diameter：105mm Outer Diameter：160mm Width：26mm
Reference speed:6700 r/min Limiting speed:-
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Four-point contact ball bearings
Details： Four-point contact ball bearings Angular contact ball bearings, four-point contact ball bearings
Update date：2026-04-16
Application:medical equipment,other rubber,textile machinery,thin metal materials,luminescent reagent,storage and transportation equipment,Spectrum Products,roller lathe,auto tools,outdoor equipment,physical instruments
Similar models:N 1021 KTNHA/SP N 1021 KTNHA/HC5SP N 1021 KTN9/HC5SP QJ 1021 N2MA/C4 N 1021 KTN9/SP NU 1021 ML PCM 210215100 E PCM 210215100 M NU 1021 M
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