Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 311 ECML

NJ 311 ECML

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	77.5	mm
D₁	≈	101	mm
F		70.5	mm
r_1,2	min.	2	mm
r_3,4	min.	2	mm
s	max.	2	mm

Abutment dimensions

d_a	min.	65	mm
d_a	max.	68	mm
d_b	min.	80	mm
D_a	max.	109.2	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	156	kN
Basic static load rating	C₀	143	kN
Fatigue load limit	P_u	18.6	kN
Reference speed		6000	r/min
Limiting speed		11000	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

1.65

Associated products

Angle ring

HJ 311 EC

Model Number: NJ 311 ECML
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:11000 r/min Limiting speed:6000 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2026-06-24
Application:non-motor vehicle Electric car,Hydraulic Press,turret industry,tapping machine,floor industry,Rolling mill gear box,Switch,blood cell reagent,centrifugal pump,Chromatography Products,dynamic blood pressure
Similar models:HM 231132/110 K 89311 TN 4311 ATN9 51311 NJ 311 ECJ NU 2311 ECML HA 2311 HM 231148/110 6311-Z HA 311 E
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Model No. Inner Diameter Outer Diameter Width Type

BD-23130-2CS5K/VT143-H 3130 E
32972
FYK 504
M 270749/710
N 224 ECM

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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-23130-2CS5K/VT143-H 3130 E
32972
FYK 504
M 270749/710
N 224 ECM