SKF NJ 307 ECM 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
35.000 mm
Outside diameter
80.000 mm
Width
21.000 mm
Cr
75000 N
C0r
63000 N
Limiting speed
11000 r/min
Net weight
0.57 kgs
Number of rows
1
Sealing
Without
Cage
Brass
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 307 ECM

Part Number NJ 307 ECM
Brand SKF
Description Cylindrical roller bearings, single row, SKF Explorer, Popular item
M : Machined brass cage, rolling element centred
DIMENSIONS
d 35.0 mm Bore diameter
D 80.0 mm Outside diameter
B 21.0 mm Width
d1 51.0 mm Shoulder diameter of inner ring
D1 65.8 mm Shoulder diameter of outer ring
F 46.2 mm Chamfer dimension of loose flange ring
r1,2 min 1.5 mm Chamfer dimension
r3,4 min 1.1 mm Chamfer dimension
smax. 1.2 mm Permissible axial displacement
ABUTMENT DIMENSIONS
da min 43.0 mm Diameter of spacer sleeve
da max. 44.0 mm Diameter of spacer sleeve
db min 53.0 mm Diameter of shaft abutment
Da max 72.2 mm Diameter of housing abutment
ra max 1.5 mm Radius of fillet
CALCULATION DATA
C 75.0 kN Basic dynamic load rating
C0 63.0 kN Basic static load rating
Pu 8.15 kN Fatigue load limit
  9500.0 r/min Reference speed
  11000.0 r/min Limiting speed
kr 0.15 Minimum load factor
e 0.2 Limiting value
Y 0.6 Axial load factor
MASS
Mass 0.57 kgs Weight
SKF Cylindrical roller bearings, NJ design

SKF NJ 307 ECM, Cylindrical roller bearings, single row, SKF Explorer, Popular item, ID: 35.0mm, OD: 80.0mm, Width: 21.0mm, Basic dynamic load rating: 75.0kN, Static load rating: 63.0kN, Limiting speed: 11000.0r/min.

SKF NJ 307 ECM, M : Machined brass cage, rolling element centred.

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