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NRT 80 B - Precision cylindrical roller bearing - YRT Bearing

Product modelNRT 80 B
d80 mm
D146 mm
B12 mm
Limiting speed700 r/min
Height (H)35mm
Inner ring shoulder recess diameter, large shoulder (d1)130mm
Distance (H1)23.35mm
Inner ring (shaft/locating washer) bolt circle diameter (J)92mm
Outer ring (housing washer) bolt circle diameter (J1)138mm
Inner ring (shaft/locating washer) through hole (N)5.6mm
Inner ring (shaft washer) counterbore (N1)10mm
Outer ring (housing washer) through hole (N2)4.6mm
Inner ring (shaft washer) counterbore depth (a)4mm
Outer ring (housing washer) chamfer dimension (r1)min.0.3mm
Chamfer dimension (r2)min.0.3mm
Basic dynamic load rating, axial (C)37.5kN
Basic static load rating, axial (C0)200kN
Speed, grease lubrication350r/min
Axial preload1.3kN
Axial relief force2.8kN
Friction moment (CRL)3Nm
Axial stiffness5kN/µm
Radial stiffness3.1kN/µm
Moment stiffness7kNm/mrad
Bearing weight2.3kg
Rotary table guide diameter200mm
Number of bolts9
Angle between bolts180°
Number of threads3
Angle between threads120°
Pitch circle (α)30°
Tightening torque (bolt class 10.9)4.5Nm

Product Details

The NRT 80 B is part of the YRT Bearing series within our Precision cylindrical roller bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.

Typical applications include: machine tool spindles, rolling mills, gearboxes and industrial pumps. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.

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NRT 80 B / YRT Bearing / Precision cylindrical roller bearing