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 309 N2MA

QJ 309 N2MA

SKF Explorer

Dimensions

d		45	mm
D		100	mm
B		25	mm
d₁	≈	58	mm
D₁	≈	81.2	mm
a		51	mm
h		5	mm
b		6.5	mm
r₀		0.5	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	54	mm
D_a	max.	91	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	100	kN
Basic static load rating	C₀	83	kN
Fatigue load limit	P_u	3.55	kN
Limiting speed		12000	r/min
Calculation factor	A	20.15
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

1.05

Model Number: QJ 309 N2MA
Inner Diameter：45mm Outer Diameter：100mm Width：25mm
Reference speed:12000 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:altimeter etc,medical equipment,Spectrum Products,hydraulic control element,Spectrum Products,large agricultural machinery,noise inspection,labor insurance,Textile Accessories,Pneumatic Control Elements,preservation equipment
Similar models:SNP 3092x17 53309 + U 309 6309-ZNR WS 89309 NJG 309 VH 330903 A 7309 BECBM 89309 TN 3309 A-2RS1 6309/HR22Q2
BEARING POWER International Trading Co.,Ltd. specialize in QJ309N2MA products，there is large inventory of SKF QJ 309 N2MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 309 N2MA Which SKF QJ309N2MA 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
19000	48.0822	61.82	6.35	Seals
23771	60.325	88.9	9.53	Seals
7203 BEP	17	40	12	Bearings, units and housings
85814	-	-	63.5	Seals
8690	22.225	36.5	6.35	Seals
BC4B 320608	440	620	-	Bearings, units and housings
BD-C 31/600 KMB-AOHX 31/600	570	980	300	Bearings, units and housings
FNL 516 A	70	-	-	Bearings, units and housings
NU 1018 ML	90	140	24	Bearings, units and housings
SNW 7x1.1/8	28.575	52.5272	36.8046	Bearings, units and housings
W 639/3 R-2RS1	3	8	4	Bearings, units and housings
WBB1-8705 R-2RS1	5	10	4	Bearings, units and housings

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