Tapered Roller Bearings 3977X

MS Bearing 3977X/3921XA Tapered Roller Bearings High Precision

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MS Bearing — Your Trusted Bearing Partner

  • Premium Quality: Exceeding SKF/NSK/NTN Standards
  • Competitive Price: 30% Lower Cost, Factory Direct
  • Fast Delivery: In-Stock Items Ship Within 48 Hours
  • Professional Service: 24/7 Technical Support
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Description:

Tapered Roller Bearings, bearing price, China supplier, wholesale, OEM/ODM, specifications, industrial machinery, electric motor, mining equipment, construction machinery, automotive, gearboxes, compressors, pumps, precision

Introducing MS Bearing 3977X/3921XA Tapered Roller Bearings, designed for high precision requirements.

Applications: Machinery, electric motors, mining equipment.

  • What is the material used in these bearings?

    These bearings are made of high-quality steel, ensuring durability and precision.

  • Can these bearings be customized for OEM applications?

    Yes, MS Bearing offers OEM/ODM services to meet your specific requirements.

* Review data based on MS Bearing two-year sales statistics.
4.0 16 reviews
US
US, Betty, - 3977X, fits well, adequate, bearing good
2026-03-18
IT
IT, Elena, - 3977X, very satisfied., shipping fair, thanks.
2026-05-25
IN
First time customer, IN, Anita, decent
2026-05-19
AU
AU, Kate, - 3977X, decent, fits my equipment perfectly., works for me
2026-02-23
BR
Will order again when needed., BR, Carlos, - 3977X, well packed, good quality, ok.
2025-12-25
Product Image:
MS Bearing 3977X/3921XA Tapered Roller Bearings High Precision
Model:

3977X

Inner Dia:

59mm

Outer Dia:

109mm

Thickness:

29mm

Update Time:

13 May, 2026