NSK Bearing 20TAC47C

Product description of NSK Bearing 20TAC47C

NSK Bearing 20TAC47C,Ball Screw Support Bearings, High-precision angular contact thrust ball bearings for precision ball screws are designed for a wide variety of applications with a range of high rigidity and high load capacity series available.

1. A high rigidity series for machine tools provides high axial rigidity and precise rotation with low drive power.
2. A sealed high rigidity series for machine tools improves life and reliability.
3. A high load capacity series for electric injection molding machines offers longer service life and higher permissible loads through optimized ball diameters and contact angles.
4. Standard grease-filled NSKHPS bearings with seals and mounting holes help simplify operations. These high-performance units are double-row angular contact ball bearings in a back-to-back (DB) arrangement with an integrated outer ring.

Features Of NSK Bearing 20TAC47C,Ball Screw Support Bearings
1. No need to fill with grease
2. Bearings come pre-packed with high-performance grease, eliminating difficult and messy grease filling.
3. Easy to mount/dismount
4. BSF types feature bolt holes and an extraction groove for easy handling.
5. Options for even longer life/higher rigidity
6. Available in matched DT pairs for applications with large external loads or where high rigidity and long life are required.
7. How are TAC bearings unique?

TAC Series bearings are specially designed for ball screw support. They provide particularly high precision and high rigidity under large thrust loads.

A larger number of balls and a 60° contact angle provide high axial rigidity and make these bearings ideally suited for machine tool feeding mechanisms.

The "DDG" seals used for the sealed bearings of this series are light-contact seals for high-speed capability; a strong sealing effect is achieved by a labyrinth between the seal lip and the seal groove of the inner ring. This ensures that no foreign particles can get into the bearing and no grease can leak out, thus helping to keep the surrounding area clean. Some bearings from this series are also available as non-contact sealed bearings for even lower torque and lower heat generation.

For ease of handling and increased efficiency, NSKTAC C bearings come prepacked with "WPH" grease that resists high temperatures and is less likely to soften and leak.

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