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 303 N2MA

QJ 303 N2MA

Dimensions

d		17	mm
D		47	mm
B		14	mm
d₁	≈	27.7	mm
D₁	≈	36.3	mm
a		22	mm
h		3.5	mm
b		4.5	mm
r₀		0.5	mm
r_1,2	min.	1	mm

Abutment dimensions

d_a	min.	22.6	mm
D_a	max.	41.4	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	23.4	kN
Basic static load rating	C₀	15	kN
Fatigue load limit	P_u	0.64	kN
Limiting speed		28000	r/min
Calculation factor	A	0.87
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

0.14

Model Number: QJ 303 N2MA
Inner Diameter：17mm Outer Diameter：47mm Width：14mm
Reference speed:28000 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:electromagnetic clutch,pneumatic Pump,wheel lathe,air conditioning tools,fruit and vegetable processing,Rolling mill gear box,non-motor vehicle Electric car,multi-knife lathe,Pneumatic Actuator,internal combustion engine,power tools
Similar models:BD-23032-2CS5K/VT143-H 3032 E SAF 23034 KA x 5.15/16 6303-RSL 7303 BEGAP W 6303 SSAFS 23038 KATLC x 6.15/16 AHX 3030 3303 A-2ZTN9/MT33 HA 3036 E SAFS 23034 KA x 5.13/16
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Model No.	Inner Diameter	Outer Diameter	Width	Type
23782	60.325	88.9	11.13	Seals
58.1x75.0x14.7 TP	58.19	75.54	-	Seals
6303/VA201	17	47	14	Bearings, units and housings
81122 TN	110	145	25	Bearings, units and housings
8621	22.225	31.75	6.35	Seals
HA 320 E	87.3125	100	71	Bearings, units and housings
NKX 40 Z	40	52	32	Bearings, units and housings
S71919 ACD/HCP4A	95	130	18	Bearings, units and housings
SAF 1611 x 2 T	50.8	-	-	Bearings, units and housings
SAFS 23056 KATLC x 10.1/2	266.7	-	-	Bearings, units and housings
SNL 517	74.6125	-	-	Bearings, units and housings
SY 1.1/2 FM	38.1	-	-	Bearings, units and housings

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Hot number： 14876 316053 32960 6008-2RZTN9/HC5C3WT 6032-2Z 7014 ACB/P4A 71909 ACE/HCP4A 95x110x12 HMS5 RG HK 3020.2RS K 35x40x13 K 81126 TN NKX 17 Z PL 630 SYWR 1.3/16 YTHR SNW 144x7.15/16