Ball and Roller Bearings - Ntn-snr.com

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High Speed Duplex Angular Contact Thrust Ball Bearings r1 r B r1 r D d a d 130320mm Boundary dimensions Basic load ratings Limiting speeds Bearing dynamic static dynamic static numbers mm kN kgf rpm d D 2B r s min 1 r1s min 1 C a C oa C a C oa grease oil 130 140 150 160 170 180 190 200 220 240 260 280 300 320 180 45 1.5 1 68.0 193 6,950 19,600 3,600 4,800 HTA926DB 200 63 2 1 128 325 13,000 33,000 3,400 4,500 HTA026DB 190 45 1.5 1 68.0 197 6,950 20,100 3,300 4,500 HTA928DB 210 63 2 1 132 345 13,500 35,500 3,100 4,200 HTA028DB 210 54 2 1 95.5 270 9,750 27,600 3,100 4,200 HTA930DB 225 67.5 2.1 1.1 136 370 13,800 37,500 2,900 3,900 HTA030DB 220 54 2 1 97.5 284 9,950 29,000 2,900 3,900 HTA932DB 240 72 2.1 1.1 159 435 16,200 44,000 2,700 3,600 HTA032DB 230 54 2 1 99.5 298 10,100 30,500 2,700 3,600 HTA934DB 260 81 2.1 1.1 182 500 18,600 51,000 2,500 3,400 HTA034DB 250 63 2 1 150 445 15,300 45,500 2,600 3,400 HTA936DB 280 90 2.1 1.1 211 585 21,500 60,000 2,400 3,200 HTA036DB 260 63 2 1 153 470 15,600 48,000 2,400 3,200 HTA938DB 290 90 2.1 1.1 214 605 21,800 61,500 2,200 3,000 HTA038DB 280 72 2.1 1.1 180 555 18,400 56,500 2,300 3,000 HTA940DB 310 99 2.1 1.1 240 680 24,400 69,000 2,100 2,800 HTA040DB 300 72 2.1 1.1 185 595 18,900 60,500 2,100 2,700 HTA944DB 340 108 3 1.1 300 860 30,500 87,500 1,900 2,600 HTA044DB 320 72 2.1 1.1 190 635 19,400 64,500 1,900 2,500 HTA948DB 360 108 3 1.1 310 915 31,500 93,000 1,700 2,300 HTA048DB 360 90 2.1 1.1 250 830 25,400 84,500 1,700 2,300 HTA952DB 400 123 4 1.5 365 1,160 37,500 118,000 1,600 2,100 HTA052DB 380 90 2.1 1.1 257 885 26,200 90,500 1,600 2,100 HTA956DB 420 123 4 1.5 375 1,230 38,500 125,000 1,500 2,000 HTA056DB 420 108 3 1.1 325 1,130 33,500 115,000 1,400 1,900 HTA960DB 460 142.5 4 1.5 430 1,470 44,000 150,000 1,400 1,800 HTA060DB 440 108 3 1.1 330 1,180 34,000 120,000 1,300 1,800 HTA964DB 480 142.5 4 1.5 435 1,520 44,000 155,000 1,300 1,700 HTA064DB 1 Minimum allowable dimension for chamfer dimension r or r1. Note: 1. This bearing can be used in place of high speed double row angular contact thrust ball bearings. 2. These are high precision bearings manufactured at NTN standard Class 5 or higher. B-280
High Speed Duplex Angular Contact Thrust Ball Bearings r1a ra Da da Abutment and fillet dimensions Load Mass center d a D a r as r 1as min max max max 2a approx. 142 172.5 1.5 0.8 153 3.26 144 192.5 2 1 170 6.66 152 182.5 1.5 1 161 3.46 154 202.5 2 1 178 7.08 164 202.5 2 1 178 5.4 167 215 2 1 191 8.82 174 212.5 2 1 186 5.7 177 230 2 1 204 10.6 184 222.5 2 1 195 6 187 250 2 1 221 14.5 194 242.5 2 1 212 9.38 197 270 2 1 238 20.6 204 252.5 2 1 220 9.82 207 280 2 1 246 21.4 217 270 2 1 237 13.7 217 300 2 1 263 27.4 237 290 2 1 254 14.8 240 330 2.5 1 289 35.8 257 310 2 1 271 16 260 350 2.5 1 306 38.2 277 350 2 1 305 27.8 283 388 3 1.5 338 56.2 297 370 2 1 322 28 303 408 3 1.5 355 59.6 320 410 2.5 1 356 46.6 323 448 3 1.5 390 85.6 340 430 2.5 1 373 49 343 468 3 1.5 407 90 B-281
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For New Technology Network R corpor
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Warranty NTN warrants, to the origi
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TECHNICAL DATA CONTENTS 1. Classifi
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Classification and Characteristics
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Bearing Selection Select bearing’
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Bearing Selection 2.3 Selection of
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Load Rating and Life 3. Load Rating
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Load Rating and Life where, Lna : A
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Bearing Load Calculation 4. Bearing
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Bearing Load Calculation 4.1.2 Chai
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Bearing Load Calculation 4.4 Equiva
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Bearing Load Calculation 4.5 Allowa
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Bearing Load Calculation Fr2 70 K
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Boundary Dimensions and Bearing Num
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Boundary Dimensions and Bearing Num
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Bearing Tolerances Table 6.3 Tolera
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Bearing Tolerances 6.2 Chamfer meas
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Bearing Tolerances 6.3 Bearing tole
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Bearing Fits 7.3.2 Recommended Fits
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Bearing Fits Table 7.2 (3) Housing
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Bearing Fits Table 7.5 Numeric valu
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Bearing Fits Table 7.6 Fits for inc
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Bearing Internal Clearance and Prel
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Allowable Speed 9. Allowable Speed
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Lubrication 11. Lubrication 11.1 Lu
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Lubrication (1) Base oil Natural mi
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Lubrication 11.4 Solid grease (For
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Lubrication Bearing operating Lubri
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External bearing sealing devices 12
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External bearing sealing devices Ty
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Bearing Materials 13.2 Cage materia
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Shaft and Housing Design 14.2 Beari
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Bearing Handling 15. Bearing Handli
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Bearing Handling a) Installation on
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Bearing Handling 15.4 Post installa
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Bearing Handling Fig. 15.24 shows t
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Bearing Damage and Corrective Measu
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Technical Data Axial displacement m
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Technical Data 17.4 Fitting surface
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A-100
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INDEX OF BEARING TABLES Deep Groove
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Deep Groove Ball Bearings Open type
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Deep Groove Ball Bearings bearing i
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Deep Groove Ball Bearings D D1 rN r
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Deep Groove Ball Bearings Equivalen
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Expansion Compensating Bearings Da
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Miniature and Extra Small Bearings
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Miniature and Extra Small Ball Bear
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Angular Contact Ball Bearings Angul
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Angular Contact Ball Bearings 2. St
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Single and Duplex Arrangements Db r
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High Speed Single and Duplex Arrang
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Ultra-High Speed Angular Contact Ba
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B-67
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Ceramic Ball Angular Contact Ball B
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Four-Point Contact Ball Bearings QJ
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Double Row Angular Contact Ball Bea
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Double Row Angular Contact Ball Bea
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Self-Aligning Ball Bearings B r ra
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Adapters (for self-aligning ball be
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Adapters (for self-aligning ball be
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Cylindrical Roller Bearings Cylindr
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Cylindrical Roller Bearings 2. Stan
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Cylindrical Roller Bearings ra r1a
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L Type Loose Rib B2 B2 r1 r1 B1 d d
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L Type Loose Rib B2 B2 r1 r1 B1 d d
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Multi-Row Cylindrical Roller Bearin
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Four-Row Cylindrical Roller Bearing
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Tapered Roller Bearings Table 1 (co
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Tapered Roller Bearings Inch Tapere
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Tapered Roller Bearings Inch Tapere
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Tapered Roller Bearings Metric syst
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Tapered Roller Bearings Inch system
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Multi-Row Tapered Roller Bearings O
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Multi-Row Tapered Roller Bearings I
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Multi-Row Tapered Roller Bearings I
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Four Row Tapered Roller Bearings C2
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Page 322 and 323: Four Row Tapered Roller Bearings C2
Page 331 and 332: Spherical Roller Bearings 1. Types,
Page 333 and 334: Spherical Roller Bearings 5. Adapte
Page 335 and 336: Spherical Roller Bearings ra Da ra
Page 355 and 356: Adapter (For spherical roller beari
Page 357 and 358: Adapter (For spherical roller beari
Page 359 and 360: Withdrawal Sleeves (For spherical r
Page 367 and 368: Double Row Angular Contact Thrust B
Page 369 and 370: Double Row Angular Contact Thrust B
Page 371: High Speed Duplex Angular Contact T
Page 375 and 376: Self-Aligning Roller Thrust Bearing
Page 381 and 382: Locknuts, Lockwashers & Lockplates
Page 383 and 384: Locknuts Reference withdrawal sleev
Page 385 and 386: Locknuts Reference bore no. 3 locko
Page 387 and 388: Nuts Reference withdrawal sleeve no
Page 390 and 391: Lockwashers Series AW ƒ r2 B2 ƒ1
Page 392 and 393: Lockwashers Series AWL ƒ r2 B2 ƒ
Page 394 and 395: Catalog List & Appendix Table
Page 396 and 397: Catalog List CATALOG TITLES CATALOG
Page 398: Appendix Table SI-customary unit co
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