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 211 N2MA

QJ 211 N2MA

SKF Explorer

Dimensions

d		55	mm
D		100	mm
B		21	mm
d₁	≈	66	mm
D₁	≈	84.7	mm
a		54	mm
h		5	mm
b		6.5	mm
r₀		0.5	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	64	mm
D_a	max.	91	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	85	kN
Basic static load rating	C₀	83	kN
Fatigue load limit	P_u	3.55	kN
Limiting speed		11000	r/min
Calculation factor	A	17.304
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

0.77

Model Number: QJ 211 N2MA
Inner Diameter：55mm Outer Diameter：100mm Width：21mm
Reference speed:11000 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：2026-04-18
Application:rolling mill roll neck and slowdown device,hydraulic cylinder buffer,Automobile,storage and transportation equipment,Hydraulic Rama,Vertical pull,lathe,ultra-quiet generators,PVC,Anti-defibrillation pacing,cleaning agent
Similar models:NU 211 ECP RNU 2211 ECP 1211 EKTN9 30211/DF NUP 2211 ECML NU 2211 ECJ 6211-2RS1 6211-RS1 BD-C 2211 KV-H 311 E ECY 211
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16545	42	66.62	9.53	Seals
24144 CC/W33	220	370	150	Bearings, units and housings
6230	150	270	45	Bearings, units and housings
6309-2RSH	45	100	25	Bearings, units and housings
7310 ACCBM	50	110	27	Bearings, units and housings
HCCE 060 R	100	457	-	Coupling systems
NU 218 ECM/HC5C3	90	160	30	Bearings, units and housings
PSM 606850 A51	60	68	50	Bearings, units and housings
SAW 23520 x 3.3/8 TLC	85.725	-	-	Bearings, units and housings
SHR 20	20	-	-	Coupling systems
SSAFS 22534 x 6 T	152.4	-	-	Bearings, units and housings
W 637/5 XR-2Z	5	9	3	Bearings, units and housings

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