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 1021 N2MA/C4

QJ 1021 N2MA/C4

Dimensions

d		105	mm
D		160	mm
B		26	mm
d₁	≈	124	mm
D₁	≈	141	mm
a		93	mm
h		5	mm
b		6.5	mm
r₀		0.5	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	115	mm
D_a	max.	150	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	135	kN
Basic static load rating	C₀	170	kN
Fatigue load limit	P_u	6.3	kN
Limiting speed		6700	r/min
Calculation factor	A	80.347
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

Model Number: QJ 1021 N2MA/C4
Inner Diameter：105mm Outer Diameter：160mm Width：26mm
Reference speed:6700 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:storage shelves,pump industry,wheel lathe,Textile Accessories,non-motor vehicle Electric car,packaging machinery,sewage pump,preservation equipment,Insect Count,Hydraulic Press,walking Food processing machinery and equipment
Similar models:N 1021 KTN9/HC5SP N 1021 KTNHA/HC5SP N 1021 KTN9/SP N 1021 KTNHA/SP NU 1021 M NU 1021 ML QJ 1021 N2MA/C4 PCM 210215100 M PCM 210215100 E
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1250 VL R	1135	-	-	Seals
15508	39.7002	52.37	6.35	Seals
51196 F	480	580	80	Bearings, units and housings
6218-2RS1	90	160	30	Bearings, units and housings
61956 MA	280	380	46	Bearings, units and housings
62495	158.75	190.5	12.7	Seals
7016 CB/HCP4AL	80	125	22	Bearings, units and housings
99866	28	34.925	12.7	Seals
GEC 440 TXA-2RS	440	600	218	Bearings, units and housings
NU 212 ECP	60	110	22	Bearings, units and housings
PCM 252850 E	25	28	50	Bearings, units and housings
S7207 ACD/P4A	35	72	17	Bearings, units and housings

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