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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NU 311 ECM

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SKF Explorer
Dimensions
d 55mm
D 120mm
B 29mm
D1100.3mm
F 70.5mm
r1,2min.2mm
r3,4min.2mm
smax.2mm
Abutment dimensions
damin.65mm
damax.68mm
dbmin.73mm
Damax.109.2mm
ramax.2mm
rbmax.2mm
Calculation data
Basic dynamic load ratingC 156kN
Basic static load ratingC0 143kN
Fatigue load limitPu 18.6kN
Reference speed  6000r/min
Limiting speed  7000r/min
Calculation factorkr 0.15 
Limiting valuee 0.2 
Axial load factorY 0.6 
Mass
Mass bearing  1.72kg
Associated products
Angle ring  

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