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 306 MA

QJ 306 MA

SKF Explorer

Dimensions

d		30	mm
D		72	mm
B		19	mm
d₁	≈	40.5	mm
D₁	≈	58.2	mm
a		36	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	37	mm
D_a	max.	65	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	53	kN
Basic static load rating	C₀	41.5	kN
Fatigue load limit	P_u	1.76	kN
Limiting speed		17000	r/min
Calculation factor	A	5.084
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

0.42

Model Number: QJ 306 MA
Inner Diameter：30mm Outer Diameter：72mm Width：19mm
Reference speed:17000 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:small diesel generators,other CNC,orthodontic material,food safety,reinforced machinery,nail products,animal,medical equipment,axle lathe,car steering pin,packaging machinery
Similar models:6306 23064-2CS5/VT143 MS 3068-64 SNL 3060 6306/HR11QN NN 3068 K/SPW33 MS 3060 W 6306 2306 M 7306 BECBP
BEARING POWER International Trading Co.,Ltd. specialize in QJ306MA products，there is large inventory of SKF QJ 306 MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 306 MA Which SKF QJ306MA 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
22328 CCJA/W33VA405	140	300	102	Bearings, units and housings
22338-2CS5/VT143	190	400	132	Bearings, units and housings
305262 D	180	259.5	66	Bearings, units and housings
7202 ACCBM	15	35	11	Bearings, units and housings
FSAF 22515 TLC	61.9125	-	-	Bearings, units and housings
NUP 2310 ECML	50	110	40	Bearings, units and housings
NUTR 2052 X	20	52	24	Bearings, units and housings
PCZ 1812 M	28.575	32.54375	19.05	Bearings, units and housings
SAFS 22244	220	-	-	Bearings, units and housings
SNW 122x3.13/16	96.8375	110	110.1852	Bearings, units and housings
SYF 30 FM	30	-	-	Bearings, units and housings
T7FC 060T80/DTC15	60	125	80	Bearings, units and housings

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