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 1988 N2MA

QJ 1988 N2MA

Dimensions

d		440	mm
D		600	mm
B		74	mm
d₁	≈	495	mm
D₁	≈	544	mm
a		364	mm
h		12.5	mm
b		15	mm
r₀		2.5	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	458	mm
D_a	max.	582	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	761	kN
Basic static load rating	C₀	1900	kN
Fatigue load limit	P_u	35.5	kN
Limiting speed		1500	r/min
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 1988 N2MA
Inner Diameter：440mm Outer Diameter：600mm Width：74mm
Reference speed:1500 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：2026-04-17
Application:light therapy instrument,medical treatment,metal mold,transportation equipment,medical equipment,chuck industry,security equipment,Laser Devices,Spectrum Products,car and accessories,Forming mold
Similar models:61988 MA QJ 1988 N2MA NU 1988 MA 71988 ACMB 1988/1922
BEARING POWER International Trading Co.,Ltd. specialize in QJ1988N2MA products，there is large inventory of SKF QJ 1988 N2MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 1988 N2MA Which SKF QJ1988N2MA 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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