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 N2MA

QJ 312 N2MA

SKF Explorer

Dimensions

d		60	mm
D		130	mm
B		31	mm
d₁	≈	77	mm
D₁	≈	106	mm
a		67	mm
h		8.1	mm
b		6.5	mm
r₀		1	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 N2MA
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：2025-12-09
Application:Broadcasting System,ventilation fans,car instrument,beverage production,wire industry,rehabilitation training equipment,Machine tool accessories,Doppler,packaging machinery,Antenna Industry,filter paper products
Similar models:23122-2CS5K/VT143 GEZ 312 ES-2RS HE 3122 E 7312 BECBM AHX 3120 H 3126 SNW 3124x4.1/4 2312 K + H 2312 6312-2RS1/HC5C3WT FSAF 1312 T
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Model No.	Inner Diameter	Outer Diameter	Width	Type
418500	1675	-	-	Seals
545 VE R	531	-	-	Seals
71919 ACE/HCP4AH1	95	130	18	Bearings, units and housings
930 VRME R	890	-	-	Seals
920x984x25 HDS1 V	920	984	25	Seals
FSAF 22315 T	75	-	-	Bearings, units and housings
FYC 45 TF	45	-	-	Bearings, units and housings
FYR 1 11/16	42.8625	-	-	Bearings, units and housings
NJ 222 ECML	110	200	38	Bearings, units and housings
OH 3176 H	360	490	264	Bearings, units and housings
SAW 23532 x 5.3/8 TLC	136.525	-	-	Bearings, units and housings
YAR 207-2FW/VA201	35	72	19	Bearings, units and housings

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