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NRT 200 B

NRT 200 B

sales@its-bearing.com

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Overview
Part NumberNRT 200 B
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
For Load DirectionCombined
Dimensions
Bore Dia200 mm
Bore Dia Tolerance-0.015mm to 0
Outer Dia300 mm
Outer Dia Tolerance-0.018mm to 0
Width45 mm
Shoulder Diameter Inner Ring - Large Shoulder274 mm
Chamfer Dimension r2 (min.)0.3 mm
Height Tolerance-0.20mm to 0
Distance30 mm
Outer Ring (Housing Washer) Width15 mm
Outer Ring (Housing Washer) Chamfer Dimension r1 (min.)0.6 mm
Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter215 mm
Outer Ring (Housing Washer) Hole Pitch Circle Diameter285 mm
Inner Ring (Shaft/Locating Washer) Through Hole7 mm
Outer Ring (Housing Washer) Through Hole7 mm
Inner Ring (Shaft Washer) Sinkhole11 mm
Inner Ring (Shaft Washer) Sinkhole Depth6.2 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Cage MaterialBrass
Performance
Basic Dynamic Load Rating - Axial Direction85 kN
Basic Dynamic Load Rating - Radial Direction93.5 kN
Basic Static Load Rating - Radial Direction270 kN
Attainable Speed For Grease Lubrication170 r/min
Attainable Speed For Oil-Air Lubrication340 r/min
Axial Preload2.9 kN
Axial Unloading Force6.2 kN
Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face)12000000 kN/µm
Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face)6500000 kN/µm
Frictional Moment14 N·m
Moment Stiffness75 kN·m/mrad
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight9.5 kg
NRT 200 B
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