BT4B 328870 EX1/C300
BT4B 328870 EX1/C300
model BT4B 328870 EX1/C300
type bearing
Metering system Metric system
Bearing Type Roller
Roller Bearing Type Tapered roller
Load Direction Radial force and axial force
Structure Four rows
Seal Type Open
Inside Diameter 355.6 mm
Inner Diameter Tolerance -0.04mm to 0
Outer Diameter 482.6 mm
Outer Diameter Tolerance -0.045mm to 0
Overall bearing width above inner ring 265.113 mm
Overall bearing width exceeds inner ring tolerance -0.25mm to 0
Total bearing width on outer ring 269.875 mm
Total Bearing Width of Outer Ring +0.4mm to -0.4mm
Abutment diameter shaft 380 mm
Housing shoulder size 380 mm
Inner ring chamfer size min.1.5 mm
Ferrule Material 51200 Chrome steel
Roller material 51200 Chrome steel
Cage Material steel
Dynamic Radial Load 798750 lbf
Static Radial Load 1687500 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 297.62 lb