NRT 325 B

Part Number NRT 325 B
System of Measurement Metric
Roller Bearing Type Cylindrical
For Load Direction Combined
Bore Dia 325 mm
Bore Dia Tolerance -0.023mm to 0
Outer Dia 450 mm
Outer Dia Tolerance -0.023mm to 0
Width 60 mm
Height Tolerance -0.40mm to 0
Shoulder Diameter Inner Ring - Large Shoulder 415 mm
Outer Ring (Housing Washer) Width 20 mm
Distance 40 mm
Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter 342 mm
Outer Ring (Housing Washer) Hole Pitch Circle Diameter 430 mm
Inner Ring (Shaft/Locating Washer) Through Hole 9.3 mm
Inner Ring (Shaft Washer) Sinkhole 15 mm
Outer Ring (Housing Washer) Through Hole 9.3 mm
Inner Ring (Shaft Washer) Sinkhole Depth 8.2 mm
Outer Ring (Housing Washer) Chamfer Dimension r1 (min.) 0.6 mm
Chamfer Dimension r2 (min.) 0.6 mm
Basic Dynamic Load Rating - Radial Direction 134 kN
Basic Static Load Rating - Radial Direction 450 kN
Basic Dynamic Load Rating - Axial Direction 153 kN
Attainable Speed For Grease Lubrication 110 r/min
Attainable Speed For Oil-Air Lubrication 220 r/min
Axial Preload 12 kN
Axial Unloading Force 26 kN
Frictional Moment 45 N·m
Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face) 28600000 kN/µm
Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face) 8900000 kN/µm
Moment Stiffness 427 kN·m/mrad
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Brass
Lubrication Grease, Oil
Temperature Range -30° to 110 °C
RoHS Compliant
REACH Compliant
Weight 25 kg
loading..