Ball and Roller Bearings - Ntn-snr.com

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Multi-Row Tapered Roller Bearings Outward facing type B1 C r1 r D d a d 500mm Boundary dimensions Basic load ratings Limiting speeds dynamic static dynamic static mm kN kgf rpm 1 1 d D B 1 C r s min r 1s min C r C or C r C or grease oil 500 720 167 149 6 3 2,610 5,400 266,000 550,000 320 420 720 209 167 6 3 3,050 6,900 315,000 700,000 320 420 830 264 235 7.5 4 5,200 10,500 530,000 1,070,000 290 390 830 330 264 7.5 4 6,400 14,000 650,000 1,420,000 290 390 1 Minimum allowable dimension for chamfer dimension r or r1. B-206
Multi-Row Tapered Roller Bearings Sb Db r1a ra da Equivalent bearing load dynamic PrXFrYFa Fa Fr e Fa e Fr X Y X Y 1 Y1 0.67 Y2 static PorFrYoFa For values of e, Y2 and Yo see the table below. Bearing numbers Abutment and fillet dimensions Load Constant Axial load factors Mass center d a D b S b r as r 1as min min min max max a e Y 1 Y 2 Y o approx. 4130/500 528 686 9 5 2.5 230 0.37 1.80 2.69 1.76 202 4230/500 528 683 21 5 2.5 250 0.37 1.80 2.69 1.76 247 4131/500 536 780 14.5 6 3 296 0.40 1.68 2.50 1.64 528 5E-4231/500G2 536 773 33 6 3 331 0.40 1.68 2.50 1.64 678 B-207
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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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Page 258 and 259: Tapered Roller Bearings Inch system
Page 296 and 297: Multi-Row Tapered Roller Bearings O
Page 310 and 311: Multi-Row Tapered Roller Bearings I
Page 312 and 313: Multi-Row Tapered Roller Bearings I
Page 314 and 315: 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
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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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