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：2024-12-16
Application:auto tools,metallurgical mold,Pneumatic Control Elements,Garment Accessories,metal mold,Perfusion device,extruder,E Beauty,woodworking machinery,engine,Industrial
Similar models:FY 20 TF/VA228 SY 45 TF/VA228 SY 2. TF/VA228 SONL 228-528 FY 1.3/16 TF/VA228 BD-23228 CCK/W33-AHX 3228 G 30228T106/DB 32240T228/DB FYT 1.15/16 TF/VA228 7228 CD/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1750 VL V	1585	-	-	Seals
22336	57.15	76.12	11.13	Seals
20 VA V	18	-	-	Seals
316-2Z	80	170	39	Bearings, units and housings
525 VL V	472	-	-	Seals
71934 CD/P4AH1	170	230	28	Bearings, units and housings
D/W RW1810	7.938	12.7	4.762	Bearings, units and housings
FY 40 FM	40	-	-	Bearings, units and housings
FYTWR 1.1/4 YTHR	31.75	-	-	Bearings, units and housings
N 1015 KTN/HC5SP	75	115	20	Bearings, units and housings
LS 80105	80	105	5.75	Bearings, units and housings
SSAFS 22515 x 2.3/8	60.325	-	-	Bearings, units and housings

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Hot number： 19273 249/800 CAK30/W33 315-Z 317-Z 32926 52407 550 VA R 56x75x8 CRW1 R 58x80x8 HMSA10 V 90065 C 4032 OH 2348 H OH 3996 H OKC 440 SY 1. TDW