Ball and Roller Bearings - Ntn-snr.com

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Cylindrical Roller Bearings B B r r1 r r1 r1 r r1 r1 r r D d FW J J D EW d J Type NU Type NJ Type NUP Type N Type NF d 380500mm Boundary dimensions Basic load ratings Limiting speeds 1 Bearing numbers dynamic static dynamic static mm kN kgf rpm type type type type 2 2 d D B r s min r 1s min Cr C or C r C or grease oil NU NJ NUP N 380 400 420 440 460 480 500 560 82 5 5 1,100 1,840 112,000 187,000 1,100 1,200 NU1076 NJ NUP N 600 90 5 5 1,320 2,190 134,000 223,000 990 1,200 NU1080 NJ NUP N 620 90 5 5 1,350 2,290 138,000 233,000 950 1,100 NU1084 NJ NUP N 650 94 6 6 1,430 2,430 146,000 248,000 900 1,100 NU1088 NJ NUP N 680 100 6 6 1,540 2,630 157,000 269,000 850 1,000 NU1092 NJ NUP N 700 100 6 6 1,580 2,750 161,000 280,000 810 960 NU1096 NJ NUP N 720 100 6 6 1,610 2,870 164,000 292,000 770 910 NU10/500 NJ NUP N 1 This value achieved with machined cages; when pressed cages are used, 80% of this value is acceptable. 2 Minimal allowable dimension for chamfer dimension r or r1. B-108
Cylindrical Roller Bearings ra r1a r1a ra Da dc da dd dc de Db db Db Equivalent bearing load dynamic PrFr static PorFr Dimensions Abutment and fillet dimensions Mass mm mm kg type d a d b d c d d d e D a D b r as r 1as type NU type N NF F w E w J min min max min min max max min 4 max max approx. 425 515 443 400 400 421 430 445 540 540 519 4 4 67.5 66.5 450 550 470 420 420 446 455 473 580 580 554 4 4 87.6 86.3 470 570 490 440 440 466 475 493 600 600 574 4 4 91 89.6 493 597 513.8 464 464 488 499 517 626 626 602 5 5 105 103 516 624 537.6 484 484 511 522 541 656 656 629 5 5 122 120 536 644 557.6 504 504 531 542 561 676 676 649 5 5 126 124 556 664 577.6 524 524 551 562 581 696 696 669 5 5 130 128 4 Does not apply to side of the outer ring rib of type NF bearings. B-109
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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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Page 159 and 160: High Speed Single and Duplex Arrang
Page 167 and 168: Ultra-High Speed Angular Contact Ba
Page 169 and 170: B-67
Page 171 and 172: Ceramic Ball Angular Contact Ball B
Page 173 and 174: Four-Point Contact Ball Bearings QJ
Page 175 and 176: Double Row Angular Contact Ball Bea
Page 177: Double Row Angular Contact Ball Bea
Page 180 and 181: Self-Aligning Ball Bearings B r ra
Page 186 and 187: Adapters (for self-aligning ball be
Page 188 and 189: Adapters (for self-aligning ball be
Page 191 and 192: Cylindrical Roller Bearings Cylindr
Page 193 and 194: Cylindrical Roller Bearings 2. Stan
Page 195 and 196: Cylindrical Roller Bearings ra r1a
Page 209: Cylindrical Roller Bearings ra r1a
Page 213 and 214: L Type Loose Rib B2 B2 r1 r1 B1 d d
Page 215 and 216: L Type Loose Rib B2 B2 r1 r1 B1 d d
Page 217 and 218: Multi-Row Cylindrical Roller Bearin
Page 223 and 224: Four-Row Cylindrical Roller Bearing
Page 231: Four-Row Cylindrical Roller Bearing
Page 234 and 235: Tapered Roller Bearings Table 1 (co
Page 236 and 237: Tapered Roller Bearings Inch Tapere
Page 238 and 239: Tapered Roller Bearings Inch Tapere
Page 240 and 241: Tapered Roller Bearings Metric syst
Page 258 and 259: Tapered Roller Bearings Inch system
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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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Spherical Roller Bearings 1. Types,
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Spherical Roller Bearings 5. Adapte
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Spherical Roller Bearings ra Da ra
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Adapter (For spherical roller beari
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Adapter (For spherical roller beari
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Withdrawal Sleeves (For spherical r
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Double Row Angular Contact Thrust B
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Double Row Angular Contact Thrust B
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High Speed Duplex Angular Contact T
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High Speed Duplex Angular Contact T
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Self-Aligning Roller Thrust Bearing
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Locknuts, Lockwashers & Lockplates
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Locknuts Reference withdrawal sleev
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Locknuts Reference bore no. 3 locko
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Nuts Reference withdrawal sleeve no
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Lockwashers Series AW ƒ r2 B2 ƒ1
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Lockwashers Series AWL ƒ r2 B2 ƒ
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Catalog List & Appendix Table
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Catalog List CATALOG TITLES CATALOG
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Appendix Table SI-customary unit co
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