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NTN standard angular contact bearings have 30º or 40º contact angles. For normal loads, the 30º angle bearings (no P/N suffix) are usually used. For high axial load applications, 40º angle bearings are available (P/N suffix B). Both of these come with normal precision tolerances. For high-speed applications, a 15º angle is.
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NTN Main Spindle Bearings. 56. 9. Angular Contact Ball Bearings for Radial Loads. The angular contact ball bearings for radial loads used in machine tools are non-separable bearings whose inner and outer rings cannot be separated. This type of bearing includes the types 78, 79U, 70U, 72,. HSE9, HSE0, BNS9, BNS0,
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NTN Main Spindle Bearings. 56. 9. Angular Contact Ball Bearings for Radial Loads. Angular contact ball bearings for radial loads used in machine tools are bearings which inner and outer rings cannot be separated. This type of bearing includes series 78, 79U, 70U, 72, HSE9,. HSE0, BNS9, BNS0, BNT9, BNT0 and BNT2.
Precision/Tolerance NTN offers the 7900, 7000, 7200, 7300, Angular Contact Ball Bearing Series (Consult NTN regarding the 7400 series). Contact Angles GN—Normal high speed } (NTN standard, no suffix) angle bearings (no P/N suffix) are usually used. DF, DT) and. (Refer to Table 3) (DF) 78C — — 7805C ~ 7834C
force, these bearings are generally used in pairs facing each other. Standard type, high speed use type and ultra high speed varieties of angular contact ball bearings are available through NTN, and there are also many duplex varieties. A bearing accuracy of JIS Class 5 or higher is applied to duplex type angular contact