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NRT 650 A

NRT 650 A

sales@its-bearing.com

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Overview
Part NumberNRT 650 A
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
For Load DirectionCombined
Dimensions
Bore Dia650 mm
Bore Dia Tolerance-0.04mm to 0
Outer Dia870 mm
Outer Dia Tolerance-0.045mm to 0
Width122 mm
Shoulder Diameter Inner Ring - Large Shoulder800 mm
Chamfer Dimension r2 (min.)1 mm
Height Tolerance-0.70mm to 0
Distance78 mm
Outer Ring (Housing Washer) Width34 mm
Outer Ring (Housing Washer) Chamfer Dimension r1 (min.)1 mm
Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter680 mm
Outer Ring (Housing Washer) Hole Pitch Circle Diameter830 mm
Inner Ring (Shaft/Locating Washer) Through Hole14 mm
Outer Ring (Housing Washer) Through Hole14 mm
Inner Ring (Shaft Washer) Sinkhole20 mm
Inner Ring (Shaft Washer) Sinkhole Depth13 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Cage MaterialBrass
Performance
Basic Dynamic Load Rating - Axial Direction365 kN
Basic Dynamic Load Rating - Radial Direction413 kN
Basic Static Load Rating - Radial Direction1600 kN
Attainable Speed For Grease Lubrication55 r/min
Attainable Speed For Oil-Air Lubrication110 r/min
Axial Preload27 kN
Axial Unloading Force59 kN
Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face)60000000 kN/µm
Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face)17200000 kN/µm
Frictional Moment200 N·m
Moment Stiffness3209 kN·m/mrad
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight170 kg
NRT 650 A
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