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. DB: Duplex pair, back to back mounting. DF: Duplex pair, face to face mounting. DT: Duplex pair, tandem mounting. G: Single bearings, flush ground universal 0.5906 1.3780 0.4331 0.024 0.012. 0.63. 1,880. 980 18,000 25,000. 0.101 15,000 20,000. 15. 35. 11. 0.6. 0.3. 16. 7203B. 0.6693 1.5748 0.4724 0.024 0.012. 0.72.
DB: Duplex pair, back to back mounting. DF: Duplex pair, face to face mounting. DT: Duplex pair, tandem mounting. G: Single bearings, flush ground universal mount 7203B .6693. 1.5748 .4724 .039 .020 .72. 2,480. 1,370 .146. 17. 40. 12. 1 .5. 18. 04B .7874. 1.8504 .5512 .059 .031 .85. 2,990. 1,730 .225. 20. 47. 14. 1.5 .8. 117AC; Equal Norma-Hoffmann-FAG Bearings Corp. 117CD; Equal NSK Corp. Bearing Division 7203A; Equal NSK Corp. Bearing Division 7203B; Equal NSK Corp. Bearing Division 7203C; Equal NTN Bearing Corp. of America 7203; Equal NTN Bearing Corp. of America 7203B; Equal NTN Bearing Corp. of America 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. Technical Data. NTN. PRECISION. ROLLING. BEARINGS. Main Spindle. Bearings. Ball Screw Support. Bearings. APPENDIX. NTN PRODUCTS db. 2. Accuracy. Deviation from circular form t t1 t2 t3 t4. IT3. IT5. ○. ◎. Angularity. Run out. Eccent ricity. Symbol Tolerance3. P5. P4. P2. Fundamental permissible tolerance IT. notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or .. 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.
DB: Duplex pair, back to back mounting. DF: Duplex pair, face to face mounting. DT: Duplex pair, tandem mounting. G: Single bearings, flush ground universal 0.5906 1.3780 0.4331 0.024 0.012. 0.63. 1,880. 980 18,000 25,000. 0.101 15,000 20,000. 15. 35. 11. 0.6. 0.3. 16. 7203B. 0.6693 1.5748 0.4724 0.024 0.012. 0.72. 7203B Radial ball bearings on NTN-SNR catalog, Ball bearings manufacturer for Single row or matched pairs of angular contact ball bearings market. Abutment dimensions. da min, 21.5 mm. db min, 19.5 mm. Da max, 35.5 mm. Db max, 37.5 mm. r1a max, 0.3 mm. ra max, 0.6 mm ANGULAR CONTACT BALL BEARINGS. SINGLE/MATCHED MOUNTINGS. Bore Diameter 10 – 15 mm. 7900 A5 DB DF DT. 4 700. 2 900. 475. 296 32 000 43 .. 1 790 1 220 16 000 22 000 28.5. 4.5 19.5. 37.5 0.3. 7203 B DB DF DT. 16 100. 11 000. 1 650 1 130 11 000 15 000 35.9 11.9 19.5. 37.5 0.3. *7203 BEA. —. —. —. (DB). ¡Can accommodate radial loads and single direction axial loads. ¡Axial loads are received by both bearings as a set, and therefore heavy axial loads can be accommodated. Tandem duplex. (DT). Face-to face duplex. (DF). Note: 1. Duplex bearings are manufactured in a set to specified clearance and preload values, Self-Aligning Ball Bearings. B- 65. Cylindrical Roller Bearings. B- 77. Tapered Roller Bearings. B-119. Spherical Roller Bearings. B-219. Thrust Bearings. B-255 .. ZZ. Contact sealed. LLD. Non-contact sealed. LLM. Type and symbol. Configuration r r. Back-to-back duplex. DB. Tandem duplex. DT. Face-to-face duplex. DF.
7003. 12.5 0.046. 40 12 24 0.6 0.3. 12.0. 6.60. 1 220. 675. 19 000 26 000. 7203. 14.5 0.064. 40 12 24 0.6 0.3. 11.0. 6.10. 1 120. 625. 17 000 22 000. 7203B. 18 . Limiting speeds1）. Bearing numbers2）. Abutment and fillet dimensions dynamic static dynamic static. (duplex). (duplex). (duplex) min-1 mm. kN kgf da db. Da.
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