1. Model: NSK 60TAC03DT85SUMPN5D
   - "60TAC03" represents the series and dimensions of the bearing, with the numbers typically indicating the size and specifications.
   - "DT85" represents a specific design or feature of the bearing.
   - "SUMPN5D" may indicate the bearing's preload, lubrication, or other characteristics.

2. Dimensions:
   - Inner diameter: 60 millimeters
   - Outer diameter: 130 millimeters
   - Width: 31 millimeters
   - These dimensions are used to determine the geometric size and fit of the bearing.

3. Bearing type: Angular Contact Ball Bearing
   - NSK 60TAC03DT85SUMPN5D is a type of angular contact ball bearing designed to withstand both radial and axial loads.

4. Preload:
   - Preload refers to the initial load applied within the bearing to enhance its rigidity and performance.
   - NSK 60TAC03DT85SUMPN5D may have specific preload settings to meet the requirements of specific applications.

5. Lubrication:
   - NSK 60TAC03DT85SUMPN5D may have specific lubrication requirements or methods to ensure proper operation and longevity of the bearing.

6. Precision grade: N5
   - Precision grade indicates the manufacturing and operating precision of the bearing, with N5 representing a higher level of precision.