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Boundary Dimensions
d 60 mm Bore diameter
D 130 mm Outside diameter
B 31 mm Width
FW 77 mm Raceway diameter of inner ring
r (min.) 2.1 mm Chamfer dimension
r1 (min.) 2.1 mm Chamfer dimension
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 Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil) 6700 min-1 Properly designed and controlled forced-circulation oil lubrication
Grease 4800 min-1 Grease lubrication
Oil (Oil-bath) 5600 min-1 Oil-bath lubrication
Abutment and Fillet Dimensions
db (min.) 71 mm Diameter of shaft / spacer sleeve abutment
db (max.) 75 mm Diameter of shaft / spacer sleeve abutment
dd (min.) 86 mm Diameter of shaft abutment
Da (max.) 119 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet
Mass
(approx.) 1.82 kg
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Properties
Types NJ-Type
Design ( ): Cylindrical bore
Cage T7: L-PPS resin cage
Radial Internal Clearance CN
Tolerance ISO NORMAL CLASS

<>ZWZ NJ312ET7