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 248 N2MA

QJ 248 N2MA

Dimensions

d		240	mm
D		440	mm
B		72	mm
d₁	≈	315	mm
D₁	≈	365	mm
a		238	mm
h		12.5	mm
b		15	mm
r₀		2.5	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	258	mm
D_a	max.	422	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	650	kN
Basic static load rating	C₀	1200	kN
Fatigue load limit	P_u	27.5	kN
Limiting speed		2400	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

53.2

Model Number: QJ 248 N2MA
Inner Diameter：240mm Outer Diameter：440mm Width：72mm
Reference speed:2400 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：2026-07-30
Application:light therapy instrument,ventilation equipment,rehabilitation training equipment,Small air generators,industrial supplies,Hydraulic Couplings,Spectral Products,tower crane,Dental Equipment,other processing,Special Equipment
Similar models:248/670 CAMA/W20 6248 M BD-23248 CCK/W33-OH 2348 H 248/530 CAK30MA/W20 22248 CC/W33 WS 81248 NUH 2248 ECMH HH 258248/210 NU 2248 MA NUH 2248 ECMH/PEX
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Model No. Inner Diameter Outer Diameter Width Type

150 VL R
25x37x5 HMSA10 RG
25x62x7 HMS5 V
K 18x22x17
NJG 2318 VH

Purchase the SKF QJ 248 N2MA Angular contact ball bearings, four-point contact ball bearings Please fill in the following

Hot number： 14257 14x28x7 HMSA10 RG 22326 CCJA/W33VA406 405453 524370 55x80x8 HMSA10 RG 595322 7012 CB/HCP4A 7014 CD/P4AL 71902 CE/HCP4AH FYTWK 1.3/8 YTH HME 3048 S7010 ACE/HCP4A SNW 26x4.1/2 YET 208-108

Model No.	Inner Diameter	Outer Diameter	Width	Type
150 VL R
25x37x5 HMSA10 RG
25x62x7 HMS5 V
K 18x22x17
NJG 2318 VH