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BT4B 328912 E1/C300 Four-row tapered roller bearings
Dimensions: Bore (Inner) Diameter: 355.6 mm； Outer Diameter: 488.95 mm； Width (Thickness): ;

BT4B 328912 E1/C300
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Product Attributes
Product NumberBT4B 328912 E1/C300
System of MeasurementMetric
Bearing TypeRoller
Roller Bearing TypeTapered Roller
TypeBearing
For Load DirectionCombined Radial and Thrust
ConstructionFour-row
Seal TypeOpen
Bore Dia355.6 mm
Bore Dia Tolerance-0.04mm to 0
Outer Dia488.95 mm
Outer Dia Tolerance-0.045mm to 0
Total Bearing Width Over Inner Rings317.5 mm
Total Bearing Width Over Outer Rings317.5 mm
Ring Material52100 Chrome Steel
Cage MaterialSteel
Roller Material52100 Chrome Steel
Dynamic Radial Load1147500 lbf
Static Radial Load2250000 lbf
LubricationRequired
Temperature Range-30° to 110 °C
ABEC RatingABEC-1
RoHSCompliant
REACHCompliant
Weight374.79 lb
Radial ClearanceStandard (Available in C3/C4/C5)
BT4B 328912 E1/C300
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