NTN  RE3421 Bearings for special applications  

NTN  RE3421 Bearings for special applications   Needs Analysis 0.29 kg Weight , Bearings for special applications   Manufacturing US201-08G2 Designation of bearing Service . Get BEARINGS (UK) LTD. Your Free.

What is RE3421 bearing interchange?

Brand Name:NTN 
Model Number:RE3421
Bearing number:7228BDB
Size (mm):140x250x42
Bore Diameter (mm):140
Outer Diameter (mm):250
Width (mm):42
d:140 mm
D:250 mm
B:42 mm
PDF RE3421

Product Details

Bearing number7228BDB
Size (mm)140x250x42
Bore Diameter (mm)140
Outer Diameter (mm)250
Width (mm)42
d140 mm
D250 mm
B42 mm
C42 mm
Angle (α)40 °
a60.8 mm
r min.3 mm
r1 min.1.1 mm
2B84 mm
da min.147 mm
Da max.243 mm
ra max.1 mm
Weight8.78 Kg
Basic dynamic load rating (C)320 kN
Basic static load rating (C0)425 kN
(Grease) Lubrication Speed1600 r/min
Bore TypeCylindrical Bore
Bore Size140 mm
Outside Diameter250 mm
Width42 mm
Fillet Radius/Chamfer3 mm
r11.1 mm
Dynamic Load Rating320,000 N
Static Load Rating425,000 N
Limiting Speed - Grease1,600 rpm
Limiting Speed - Oil2,200 rpm
da1 (min)154 mm
da2 (min)147 mm
Da1 (max)236 mm
Da2 (max)243 mm
ra (max)2.5 mm
ra1 (max)1 mm
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Company Profile

Phone 754-298-7895
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