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 1272 N2MA

QJ 1272 N2MA

Dimensions

d		360	mm
D		650	mm
B		122	mm
d₁	≈	472	mm
D₁	≈	538	mm
a		505	mm
h		20.5	mm
b		25	mm
r₀		3	mm
r_1,2	min.	6	mm

Abutment dimensions

d_a	min.	388	mm
D_a	max.	622	mm
r_a	max.	5	mm

Calculation data

Basic dynamic load rating	C	1110	kN
Basic static load rating	C₀	2600	kN
Fatigue load limit	P_u	49	kN
Limiting speed		1500	r/min
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

190

Model Number: QJ 1272 N2MA
Inner Diameter：360mm Outer Diameter：650mm Width：122mm
Reference speed:1500 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：2024-12-13
Application:Dental Equipment,Surveying Surveying Instruments,vertical processing,clean stationery,hot and cold box,power tools,Hydraulic Rama,Roller,natural instruments,stirrer,Gear grinding machine
Similar models:QJ 1272 N2MA 81272 M 51272 F
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1204 EKTN9	20	47	14	Bearings, units and housings
12886	32.9946	46.99	7.9502	Seals
20 VA R	18	-	-	Seals
22211 E	55	100	25	Bearings, units and housings
6014	70	110	20	Bearings, units and housings
7014 CB/P4AL	70	110	20	Bearings, units and housings
707 ACE/P4AH	7	19	6	Bearings, units and housings
7220 BECBM	100	180	34	Bearings, units and housings
80x95x10 HMSA10 V	80	95	10	Seals
GE 240 ES-2RS	240	340	140	Bearings, units and housings
NATV 12 PPA	12	32	15	Bearings, units and housings
SAF 22522 TLC	100.0125	-	-	Bearings, units and housings

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