Ball and Roller Bearings
NTN does not warrant (a) any product, components or parts not manufactured by NTN, (b) defects caused by failure to provide a suitable .. 4. Tapered bore bearings. 5. Remarks. Reference page. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type.
Limiting speeds1）. Bearing numbers2）. Abutment and fillet dimensions dynamic static dynamic static. (duplex). (duplex). (duplex) min-1 mm. kN kgf da db. Da. Db ras .. 7317B. 76. 4.43. 125 18 36 1.1 0.6. 36.0. 38.0. 3 650 3 850. 5 200. 7 000. 7918. 40. 0.658. 140 24 48 1.5 1. 65.0. 63.5. 6 650 6 450. 4 900. 6 500. 7018. 45.
bearing load conditions. Also, higher speeds are attainable by making changes in the lubrication method, cage design, etc. Refer to Page A37 for detailed information. Figure. Arrangement. Features. Table 2 Types and Features of Matched Angular Contact Ball Bearings. 0. 0 a a. Back-to-back. (DB). (Example). 7208 A DB.
NTN Main Spindle Bearings. 59. 5S- 2LA-HSE 0 20 AD T2 DB /GL P4. HSE type. Contact angle code. C: 15˚, AD: 25˚, No symbol: 20˚. Bore diameter code (See dimension table). Dimension series code. Bearing type. 2LA：Special material with improved surface treatment. 5S- 2LA-HSL 0 20 DB +xx Dn /GL P4 +TKZ.
notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or For DB and DF arrangement. For DB arrangement. NU, N type. NNU, NN type. NA type. NJ, NF type. NUP, NP, NH type. Tapered roller bearings. Double-row,. 4-row tapered roller.