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 228 N2MA

QJ 228 N2MA

SKF Explorer

Dimensions

d		140	mm
D		250	mm
B		42	mm
d₁	≈	179	mm
D₁	≈	211	mm
a		137	mm
h		11.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	3	mm

Abutment dimensions

d_a	min.	154	mm
D_a	max.	236	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	345	kN
Basic static load rating	C₀	475	kN
Fatigue load limit	P_u	14.3	kN
Limiting speed		4300	r/min
Calculation factor	A	555.53
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

9.85

Model Number: QJ 228 N2MA
Inner Diameter：140mm Outer Diameter：250mm Width：42mm
Reference speed:4300 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：2021-06-05
Application:Laser Devices,packing equipment,climb ladder,Storage Tool,hydraulic connector,Individual Wire,granulator,electric hydraulic lifting platform,mechanical and electrical,Industrial,bag machine
Similar models:FYT 40 TF/VA228 SY 1.1/4 TF/VA228 SAW 23228 TLC SY 1.3/8 TF/VA228 BD-C 2228 K-AHX 3128 22228-2CS5/VT143 32228T158/DB 6311-2Z/VA228 SY 1. TF/VA228 23228 CCK/W33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16246	41.275	63.55	7.95	Seals
23148-2CS5K/VT143	240	400	128	Bearings, units and housings
6015 N	75	115	20	Bearings, units and housings
65x80x8 CRW1 V	65	80	8	Seals
6x16x7 HMS5 RG	6	16	7	Seals
7200 ACD/HCP4A	10	30	9	Bearings, units and housings
AHX 311	50	55	37	Bearings, units and housings
KR 35 B	-	35	18	Bearings, units and housings
M 244249 A/210	220.662	314.325	61.912	Bearings, units and housings
OKCX 190	190		-
SAFS 22530 x 5.1/4	133.35	-	-	Bearings, units and housings
SYFWK 507 L	-	-	-	Bearings, units and housings

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