NB - Rotary Ball Spline
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NB - Rotary Ball Spline
Product catalog summary
Part Number Structure:
SPR Type: The document outlines the structure of part numbers for SPR types, which includes the nominal diameter, number of nuts attached to one shaft, spline shaft total length, and pre-load symbol. Examples are provided for clarity.
SPR Type: The document outlines the structure of part numbers for SPR types, which includes the nominal diameter, number of nuts attached to one shaft, spline shaft total length, and pre-load symbol. Examples are provided for clarity.
Major Dimensions:
The document specifies the major dimensions of support bearings and ball splines, including tolerances for various parts. Dimensions are given in millimeters.
The document specifies the major dimensions of support bearings and ball splines, including tolerances for various parts. Dimensions are given in millimeters.
Performance Specifications:
Details on maximum rotational speed, mass, cross-sectional coefficient, and moment of inertia are provided. Allowable static moments and basic load ratings for both static and dynamic conditions are included.
Details on maximum rotational speed, mass, cross-sectional coefficient, and moment of inertia are provided. Allowable static moments and basic load ratings for both static and dynamic conditions are included.
Load Ratings:
Basic load ratings for the spline nut and shaft are specified, along with basic torque ratings. These are critical for understanding the load-bearing capabilities of the components.
Basic load ratings for the spline nut and shaft are specified, along with basic torque ratings. These are critical for understanding the load-bearing capabilities of the components.
Lubrication and Speed:
The document notes that the maximum rotational speed is specified for grease lubrication, and higher speeds or oil lubrication require consultation with NB.
The document notes that the maximum rotational speed is specified for grease lubrication, and higher speeds or oil lubrication require consultation with NB.
Conversion Factors:
Conversion factors are provided for converting between different units of measurement, such as kN to kgf and N·m to kgf·m.
Conversion factors are provided for converting between different units of measurement, such as kN to kgf and N·m to kgf·m.
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