Cylindrical roller bearings, single row

Tolerances: Normal (metric), P6, Normal (inch)
Radial internal clearance: cylindrical bore, tapered bore
Axial internal clearance: NUP, NJ + HJ
Seat tolerances for standard conditions
Tolerances and resultant fits

Calculation

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NUP 308 ECM

SKF Explorer
Dimensions
d 40mm
D 90mm
B 23mm
d157.5mm
D175.18mm
F 52mm
r1,2min.1.5mm
r3,4min.1.5mm
Abutment dimensions
damin.48mm
dbmin.60mm
Damax.81.8mm
ramax.1.5mm
Calculation data
Basic dynamic load ratingC 93kN
Basic static load ratingC0 78kN
Fatigue load limitPu 10.2kN
Reference speed  8000r/min
Limiting speed  9500r/min
Calculation factorkr 0.15 
Limiting valuee 0.2 
Axial load factorY 0.6 
Mass
Mass bearing  0.81kg

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