SKF NJ 2311 ECP bearings
Cylindrical roller bearings, single row, SKF Explorer, Popular item

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SKF Cylindrical roller bearings, NJ design
Measurement system
Metric
Bore diameter
55.000 mm
Outside diameter
120.000 mm
Width
43.000 mm
Cr
232000 N
C0r
232000 N
Limiting speed
7000 r/min
Net weight
2.26 kgs
Number of rows
1
Sealing
Without
Cage
Plastic
Bore type
Cylindrical
Outer diameter type
Cylindrical
Bearing material
Steel
Rolling material
Steel
Tolerance class
P6 running accuracy, Normal dimensional
Internal clearance
CN
Lubricant in bearing
None
Relubrication feature
None

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Technical specification for SKF NJ 2311 ECP

Part Number NJ 2311 ECP
Brand SKF
Description Cylindrical roller bearings, single row, SKF Explorer, Popular item
P : Glass fibre reinforced PA66 cage, rolling element centred
DIMENSIONS
d 55.0 mm Bore diameter
D 120.0 mm Outside diameter
B 43.0 mm Width
d1 77.5 mm Shoulder diameter of inner ring
D1 100.3 mm Shoulder diameter of outer ring
F 70.5 mm Chamfer dimension of loose flange ring
r1,2 min 2.0 mm Chamfer dimension
r3,4 min 2.0 mm Chamfer dimension
smax. 3.5 mm Permissible axial displacement
ABUTMENT DIMENSIONS
da min 65.0 mm Diameter of spacer sleeve
da max. 68.0 mm Diameter of spacer sleeve
db min 80.0 mm Diameter of shaft abutment
Da max 109.2 mm Diameter of housing abutment
ra max 2.0 mm Radius of fillet
CALCULATION DATA
C 232.0 kN Basic dynamic load rating
C0 232.0 kN Basic static load rating
Pu 30.5 kN Fatigue load limit
  6000.0 r/min Reference speed
  7000.0 r/min Limiting speed
kr 0.25 Minimum load factor
e 0.3 Limiting value
Y 0.4 Axial load factor
MASS
Mass 2.26 kg Weight
SKF Cylindrical roller bearings, NJ design

SKF NJ 2311 ECP, Cylindrical roller bearings, single row, SKF Explorer, Popular item, ID: 55.0mm, OD: 120.0mm, Width: 43.0mm, Basic dynamic load rating: 232.0kN, Static load rating: 232.0kN, Limiting speed: 7000.0r/min.

SKF NJ 2311 ECP, P : Glass fibre reinforced PA66 cage, rolling element centred.

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