+86-021-66274776
WhatsApp/Wechat：+86-18930714776
31311/DF
31311/DF
model 31311/DF
type bearing
Metering system Metric system
Bearing Type Roller
Roller Bearing Type Tapered roller
Load Direction Radial force and axial force
Structure Match
Seal Type Open
Outer ring type Standard Type
Inside Diameter 55 mm
Inner Diameter Tolerance -0.015mm to 0
Outer Diameter 120 mm
Outer Diameter Tolerance -0.018mm to 0
Total width 63 mm
Bearing Width +0.2mm to -0.2mm
Inside diameter Width 58 mm
Inside diameter Width -0.15mm to 0
Lubrication groove width 10 mm
Lubrication hole diameter 7.5 mm
Inner ring chamfer size min.0.6 mm
Outer ring chamfer size min.2 mm
Ferrule Material 51200 Chrome steel
Roller material 51200 Chrome steel
Cage Material steel
Abutment diameter shaft 68 mm
Housing shoulder size 68 mm
Radius of fillet max.2.5 mm
Reference speed 3400 r/min
Limit speed 5600 r/min
Dynamic Radial Load 57600 lbf
Static Radial Load 61875 lbf
Fatigue load limit 7537.5 lbf
Lubricant Lubricant Added
Temperature Range -30° to 110 °C
ABEC Standard ABEC-1
Clearance Range Standard (applicable to C3/C4/C5)
RoHS Standard Conform
REACH Standard Conform
Weight 7.17 lb