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  • NTN Main Spindle Bearings

    Note: Cage design is subject to change without notice. For detailed information, contact NTN Engineering. 3 Bearing designations. 5S- 7 0 20 U AD T1 DB /GL...

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  • Frequently Asked Questions | NTN Bearing

    What is the designation for a tapered bore on spherical roller bearings? .... DB arrangements have a large spread between the bearing centers and should be...

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  • BALL AND ROLLER BEARINGS - NTN Bearing

    compiled in this catalog, NTN does not assume any liability to any company or person ..... bearings: face-to-face (DF), back-to-back (DB), and tan- dem (DT). DF.

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  • Main Spindle Bearings - NTN Global

    ② Bearing designations. Tolerance class code. P5: JIS class 5. P4: JIS class 4. UP: NTN special high precision. Duplex arrangement code. DB: Back-to-back.

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  • Ball Screw Support Bearings - NTN Global

    front and back faces. As a result, bearings of the same part number can be freely combined into DB, DBT,. DTBT configurations as illustrated in Fig. 13.2, and the.

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