NTN - Precision Rolling Bearings

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Main Spindle <strong>Bearings</strong> Angular contact ball bearings for axial loads (steel ball type) HTA0UA series Contact angle 30˚ d 50320mm r1 r 2B r1 r D d d1D2 2a Part Boundary dimensions Basic load ratings Static thrust Limiting speed number dynamic static dynamic static load capacity mm kN kgf kN kgf min -1 grease oil d D 2B rs min 1 r1s min 1 Ca Coa Ca Coa lubrication lubrication HTA010UADB 50 80 28.5 1 0.6 24.7 48.5 2 520 4 950 23.2 2 370 15 400 19 200 HTA011UADB 55 90 33 1.1 0.6 26.8 57.5 2 730 5 850 27.7 2 820 13 800 17 200 HTA012UADB 60 95 33 1.1 0.6 28.1 63.0 2 860 6 400 30.5 3 100 12 900 16 100 HTA013UADB 65 100 33 1.1 0.6 28.5 65.0 2 900 6 650 32.0 3 250 12 100 15 200 HTA014UADB 70 110 36 1.1 0.6 35.0 82.0 3 550 8 350 40.0 4 100 11 100 13 900 HTA015UADB 75 115 36 1.1 0.6 37.0 91.5 3 800 9 300 45.5 4 650 10 500 13 200 HTA016UADB 80 125 40.5 1.1 0.6 42.5 105 4 350 10 700 52.0 5 300 9 800 12 200 HTA017UADB 85 130 40.5 1.1 0.6 43.0 108 4 400 11 100 54.5 5 550 9 300 11 600 HTA018UADB 90 140 45 1.5 1 50.0 127 5 100 13 000 63.5 6 500 8 700 10 900 HTA019UADB 95 145 45 1.5 1 50.5 131 5 150 13 400 66.0 6 750 8 300 10 400 HTA020UADB 100 150 45 1.5 1 52.5 140 5 350 14 300 71.0 7 250 8 000 10 000 HTA021UADB 105 160 49.5 2 1 60.0 163 6 100 16 600 82.5 8 400 7 500 9 400 HTA022UADB 110 170 54 2 1 74.5 200 7 600 20 400 100 10 200 7 100 8 900 HTA024UADB 120 180 54 2 1 75.0 206 7 650 21 000 104 10 600 6 700 8 300 HTA026UADB 130 200 63 2 1 108 293 11 000 29 900 144 14 700 6 100 7 600 HTA028UADB 140 210 63 2 1 111 315 11 300 32 000 156 15 900 5 700 7 100 HTA030UADB 150 225 67.5 2.1 1.1 114 330 11 700 34 000 169 17 200 5 300 6 700 HTA032UADB 160 240 72 2.1 1.1 134 390 13 700 40 000 196 20 000 5 000 6 300 HTA034UADB 170 260 81 2.1 1.1 153 450 15 900 46 000 226 23 000 4 700 5 800 HTA036UADB 180 280 90 2.1 1.1 177 530 18 100 54 000 265 27 000 4 300 5 400 HTA038UADB 190 290 91 2.1 1.1 179 545 18 300 55 500 275 28 000 4 200 5 200 HTA040UADB 200 310 99 2.1 1.1 201 610 20 500 62 000 310 31 500 3 900 4 900 HTA044UADB 220 340 108 3 1.1 253 775 25 800 79 000 385 39 500 3 600 4 500 HTA048UADB 240 360 108 3 1.1 261 825 26 600 84 000 415 42 500 3 300 4 200 HTA052UADB 260 400 123 4 1.5 310 1040 31 500 106 000 520 53 500 3 000 3 800 HTA056UADB 280 420 123 4 1.5 315 1110 32 500 113 000 565 57 500 2 900 3 600 HTA060UADB 300 460 142.5 4 1.5 360 1330 37 000 135 000 670 68 500 2 600 3 300 HTA064UADB 320 480 142.5 4 1.5 365 1360 37 000 139 000 700 71 500 2 500 3 100 1 Minimum allowable value for corner radius dimension r or r1. 252
Main Spindle <strong>Bearings</strong> r1as ras da Db Dynamic equivalent axial load Pa=Fa Static equivalent axial load Poa=Fa Load Internal Mass Reference Abutment and fillet dimensions Part center free space dimensions number mm cm 3 kg mm Two row Two row da Db ras r1as 2a d1 D2 min max max max 52.1 9 0.24 60.7 73.2 57.5 74.0 1 0.6 HTA010UADB 58.6 13 0.39 68.2 80.8 65.0 84.0 1 0.6 HTA011UADB 61.5 13 0.41 73.2 85.8 70.0 89.0 1 0.6 HTA012UADB 64.4 14 0.44 78.2 90.8 75.0 94.0 1 0.6 HTA013UADB 70.3 18 0.61 85.3 99.1 80.0 104 1 0.6 HTA014UADB 73.2 19 0.65 90.3 104.1 85.0 109 1 0.6 HTA015UADB 79.8 26 0.88 97.4 112.5 90.0 119 1 0.6 HTA016UADB 82.7 28 0.93 102.4 117.5 95.0 124 1 0.6 HTA017UADB 89.3 38 1.22 109.4 125.9 102 132.5 1.5 1 HTA018UADB 92.1 39 1.27 114.4 130.9 107 137.5 1.5 1 HTA019UADB 95.1 39 1.34 119.5 136.0 112 142.5 1.5 1 HTA020UADB 101.6 49 1.74 126.5 144.3 119 152.5 2 1 HTA021UADB 108.3 66 2.14 133.1 153.4 124 162.5 2 1 HTA022UADB 114.1 67 2.32 143.3 163.5 134 172.5 2 1 HTA024UADB 127.3 108 3.39 156.4 181.7 144 192.5 2 1 HTA026UADB 133.1 114 3.60 166.4 191.7 154 202.5 2 1 HTA028UADB 142.6 141 4.46 178.9 204.3 167 215 2 1 HTA030UADB 152.1 168 5.40 190.6 218.0 177 230 2 1 HTA032UADB 165.3 238 7.20 204.7 235.3 187 250 2 1 HTA034UADB 178.5 285 10.6 218.9 251.8 197 270 2 1 HTA036UADB 184.3 300 11.0 228.9 261.7 207 280 2 1 HTA038UADB 197.5 436 13.8 243.0 278.5 217 300 2 1 HTA040UADB 216.6 550 18.1 266.3 306.9 240 330 2.5 1 HTA044UADB 228.1 650 18.9 286.3 326.8 260 350 2.5 1 HTA048UADB 253.0 850 28.4 314.6 360.3 283 388 3 1.5 HTA052UADB 264.6 900 30.2 334.6 380.3 303 408 3 1.5 HTA056UADB 291.8 1265 43.6 362.9 414.0 323 448 3 1.5 HTA060UADB 303.3 1340 45.8 382.9 433.9 343 468 3 1.5 HTA064UADB 253
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R Precision Rolling Bearings %
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1. Classification of Precision Roll
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Precision Rolling Bearings Page TEC
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Technical Data Bearing type Cross s
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Technical Data 2. Bearing Selection
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Technical Data 2 Bearing accuracy B
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Technical Data N.R.R.O. (Non-Repeti
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Technical Data 3 Bearings and rigid
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Technical Data Gyratory sliding Ev
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Technical Data Abutment height and
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Technical Data where, L m : Total l
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Technical Data NTNs new bearing lif
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Technical Data Table 3.3 Minimum sa
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Technical Data Bearing arrangement
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Technical Data 3 Adjustable preload
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Technical Data 6. Handling of Beari
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Technical Data Table 6.1 Fitting su
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Technical Data 4 Elastic deformatio
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Technical Data 7 Clearance adjustme
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Technical Data (2) Setup of mounted
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Technical Data 8 Tapered bore cylin
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Technical Data 7. Lubrication of Be
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Technical Data 2 Air-oil lubricatio
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Technical Data E A D Fig. 7.4 7U,
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Technical Data 7805C7834CT17928CT1B
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Technical Data 3 Jet lubrication Wi
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Technical Data Life under high temp
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Technical Data Grease-lubricated s
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Technical Data (2) Noise Reduction
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NTN Main Spindle Bearings Main Spin
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NTN Main Spindle Bearings Eco-frien
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NTN Main Spindle Bearings HSE type
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NTN Main Spindle Bearings Perpendic
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NTN Main Spindle Bearings Table 9.6
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NTN Main Spindle Bearings 8 Duplex
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NTN Main Spindle Bearings !1 Operat
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NTN Main Spindle Bearings !3 Standa
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NTN Main Spindle Bearings !5 Super
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NTN Main Spindle Bearings Data 2 Fo
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NTN Main Spindle Bearings Permissib
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NTN Main Spindle Bearings Permissib
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Main Spindle Bearings r1as ras da D
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Main Spindle Bearings r1as ras ras
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Main Spindle Bearings r1as ras daDb
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Main Spindle Bearings ras ras daDa
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Main Spindle Bearings ras ras ras d
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Page 205 and 206: Main Spindle Bearings ras ras daDa
Page 207 and 208: NTN Main Spindle Bearings Main Spin
Page 209 and 210: NTN Main Spindle Bearings 3 Bearing
Page 211 and 212: NTN Main Spindle Bearings Perpendic
Page 213 and 214: NTN Main Spindle Bearings Interchan
Page 215 and 216: NTN Main Spindle Bearings 8 Recomme
Page 217 and 218: NTN Main Spindle Bearings High spee
Page 219 and 220: NTN Main Spindle Bearings High-spee
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Page 223 and 224: Main Spindle Bearings ra ra ra ra r
Page 229 and 230: Main Spindle Bearings r1a ra Db da
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Page 233 and 234: Main Spindle Bearings r1a ra da Db
Page 235 and 236: Main Spindle Bearings r r1a ra da D
Page 237 and 238: Main Spindle Bearings !5 Dimension
Page 241 and 242: NTN Main Spindle Bearings 2 Standar
Page 243 and 244: NTN Main Spindle Bearings 5 Accurac
Page 245 and 246: NTN Main Spindle Bearings 7 Shaft a
Page 247 and 248: NTN Main Spindle Bearings High spee
Page 249 and 250: Main Spindle Bearings r1a ra Wo 4-d
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Page 267 and 268: NTN Main Spindle Bearings 3 Accurac
Page 269 and 270: Main Spindle Bearings Sa Sb r1a Dyn
Page 271 and 272: Main Spindle Bearings Sa Sb r1a Dyn
Page 273 and 274: NTN Ball Screw Support Bearings Bal
Page 275 and 276: NTN Ball Screw Support Bearings Eas
Page 277 and 278: NTN Ball Screw Support Bearings (4)
Page 279 and 280: NTN Ball Screw Support Bearings 5 B
Page 281 and 282: NTN Ball Screw Support Bearings Fac
Page 283 and 284: NTN Ball Screw Support Bearings 7 S
Page 285 and 286: NTN Ball Screw Support Bearings !0
Page 287 and 288: Ball Screw Support Bearings When on
Page 289 and 290: Ball Screw Support Bearings When on
Page 291 and 292: Ball Screw Support Bearings Part nu
Page 293 and 294: Ball Screw Support Bearings B B 2B
Page 295 and 296: Ball Screw Support Bearings r1a ra
Page 297 and 298: Ball Screw Support Bearings r1a ra
Page 299 and 300: NTN Products 5 Radial internal clea
Page 301 and 302: NTN Products (Reference) Standard c
Page 303 and 304: NTN Products 4. High precision air
Page 305 and 306: 301 Appendix Table 1: Boundary dime
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Appendix Table 2: Comparison of SI,
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Appendix h4 h5 h6 h7 h8 h9 h10 h11
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Appendix H7 H8 H9 H10 H11 H13 J6 Js
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Appendix Table 8: Viscosity convers
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311 Appendix 1/64 1/32 3/64 1/16 5/
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NTN - Precision Rolling Bearings

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