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 312 MA

QJ 312 MA

SKF Explorer

Dimensions

d		60	mm
D		130	mm
B		31	mm
d₁	≈	77	mm
D₁	≈	106	mm
a		67	mm
r_1,2	min.	2.1	mm

Abutment dimensions

d_a	min.	72	mm
D_a	max.	118	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	156	kN
Basic static load rating	C₀	137	kN
Fatigue load limit	P_u	5.85	kN
Limiting speed		9000	r/min
Calculation factor	A	54.948
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

2.15

Model Number: QJ 312 MA
Inner Diameter：60mm Outer Diameter：130mm Width：31mm
Reference speed:9000 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:Spectrum Products,Hydraulic Couplings,car steering pin,Dental Equipment,medical Equipment,transistor fittings,flow control valve,supporting facilities,stamping die,Logistics Equipment,horizontal processing
Similar models:SAF 22312 T GEZ 312 TXE-2LS 32312/DF HA 3126 L 7312 BECBM GEZ 312 ESX-2LS GS 89312 6312-2ZNR BD-22226 EK-AHX 3126 H 3126
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AHX 3130 G	145	150	96	Bearings, units and housings
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NCF 3011 CV	55	90	26	Bearings, units and housings
PPM 081008	8	10	8	Bearings, units and housings
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SAF 1517 x 2.13/16 T	71.4375	-	-	Bearings, units and housings
SAFS 22517	74.6125	-	-	Bearings, units and housings
SYNT 70 L	70	-	-	Bearings, units and housings

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