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NJ312EM

Single-Row Cylindrical Roller Bearings
Single-Row Cylindrical Roller Bearings

Product Information

Designations

NJ312EM

Boundary Dimensions

d 60 mm
D 130 mm
B 31 mm
FW 77 mm
r (min.） 2.1 mm
r1 (min.) 2.1 mm

Basic Load Ratings

Cr 184000 N Basic dynamic load rating
C0r 157000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 5600 min-1
Mechanical (forced-circulation oil) 9500 min-1
Grease 4800 min-1

Dimensions

Abutment and Fillet Dimensions

db (min.) 71 mm
db (max.) 75 mm
dd(min) 86 mm
Da(max.) 119 mm
ra (max.) 2 mm

Calculation factors

Additional information

Mass

(approx.) 2.09 kg