NTN - Large Bearings

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Tapered Roller Thrust <strong>Bearings</strong>: Screw Down Operations Dimensions mm Mass kg R S b U V T h (approx.) 228.6 12.7 4.7 1.2 M12 4.4 228.6 12.7 4.7 1.2 M12 6.7 254 15.875 6.4 1.2 M12 11 304.8 19.05 7.9 2 M20 24.1 381 22.225 10.3 2.4 M20 41.3 457.2 25.4 10.3 2.4 M24 73.7 508 28.575 10.3 2.4 M24 87.2 508 31.75 13.5 3.2 M24 105 558.8 34.925 13.5 3.2 M24 150 1,270 34.925 13.5 3.2 M24 150 635 34.925 13.5 3.2 M24 175 1,270 50 9.5 6 M24 245 635 38.1 13.5 3.2 M24 214 711.2 38.1 13.5 3.2 M24 238 762 38.1 13.5 3.2 M24 277 762 38.1 13.5 3.2 M24 317 C-11
Tapered Roller Thrust <strong>Bearings</strong>: Screw Down Operations ¡ These bearings are designed to be a full complement roller type and have high static rating load for large axial load applications. ¡ Inner ring surface is spherical (convex or concave) to allow its circle center to meet the tip of the pressing screw. ¡ For hoisting, bearings are designed to have a hole or bushing at the center of the inner ring, and a bushing on the outer ring. d1 F Rs Th1 H Hs U b V D Th r1 D 149.225641.350mm Boundary dimensions Basic load ratings Bearing static numbers mm kN kgf D d 1 H F r 1s min 1 C oa C oa 149.225 146.900 80 127.000 1.6 2,280 233,000 CRT0401V 174.625 172.300 61.392 152.400 1.6 3,300 335,000 CRT0504V 203.200 200.800 75 177.800 1.6 4,650 475,000 CRT0606V 266.700 264.300 94.412 228.600 1.6 7,750 790,000 CRT0505V 320.675 318.300 110.973 279.400 1.6 11,800 1,200,000 CRT0811V 377.825 375.500 129.007 330.200 1.6 16,300 1,660,000 CRT0909V 409.575 407.200 140.767 355.600 3.2 19,300 1,960,000 CRT1007V 438.150 435.800 150.673 381.000 3.2 21,600 2,210,000 CRT1105V 482.600 480.212 145.542 419.100 3.2 27,200 2,770,000 CRT1307V 495.300 492.900 170.612 431.800 3.2 32,000 3,250,000 CRT1211V 523.875 521.500 174.35 457.200 3.2 32,500 3,350,000 CRT1412V 533.400 533.400 177.8 457.200 1.6 33,500 3,400,000 CRT1411V 555.625 553.300 190.856 482.600 3.2 36,000 3,650,000 CRT1517V 581.025 578.700 193.78 508.000 3.2 39,000 4,000,000 CRT1214V 581.225 578.700 193.777 508.000 3.2 38,500 3,950,000 CRT1601V 609.600 607.240 202.167 533.400 3.2 44,500 4,550,000 CRT1812V 641.350 639.000 212.674 558.800 3.2 49,000 4,950,000 CRT1808V 1 Smallest allowable dimension for chamfer dimension r1. C-12
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For New Technology Network R corpor
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Warranty NTN warrants, to the origi
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A-2
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A-4
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Load Rating and Life n min -1 60,00
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Bearing Load Calculation 2. Bearing
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A-10A-30
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Bearing Tolerances Table 3.3 Tolera
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Bearing Tolerances 3.2 Limits and t
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Bearing Fits 4. Bearing Fits 4.1 In
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Bearing Fits (3) Consideration must
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Bearing Fits Table 4.3 Standard fit
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Bearing Fits Table 4.6 Fits for inc
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Bearing Internal Clearance (1) Redu
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Bearing Internal Clearance Table 5.
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Lubrication 6. Lubrication 6.1 Lubr
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Lubrication 6.3.2 Base oil Natural
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Lubrication 6.5 Oil lubrication Oil
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Lubrication Table 6.9 Factor K Expe
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MEMO A-46
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INDEX OF BEARING TABLES Deep Groove
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Deep Groove Ball Bearings
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Deep Groove Ball Bearings D r B r d
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Deep Groove Ball Bearings r D B r d
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Angular Contact Ball Bearings
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Angular Contact Ball Bearings 1. 2
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Angular Contact Ball Bearings Singl
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Double Row Angular Contact Ball Bea
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Double Row Angular Contact Ball Bea
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Cylindrical Roller Bearings
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Cylindrical Roller Bearings Table 3
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Single Row Cylindrical Roller Beari
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Multi-Row Cylindrical Roller Bearin
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4-Row Cylindrical Roller Bearings C
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SL Type Cylindrical Roller Bearings
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Tapered Roller bearings
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Tapered Roller Bearings Table 2 Str
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Tapered Roller Bearings Inch system
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Tapered Roller Bearings Inch system
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Single Row Tapered Roller Bearings
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Double Row Tapered Roller Bearings
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Double Row Steep Slope Tapered Roll
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Four Row Tapered Roller Bearings C2
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Sealed Four Row Tapered Roller Bear
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Spherical Roller bearings
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Spherical Roller Bearings 2. Dimens
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Spherical Roller Bearings B r r D d
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Page 261 and 262: Spherical Roller Bearings B r r D d
Page 275 and 276: Thrust bearings
Page 277 and 278: Thrust Bearings 1. 3 Tapered roller
Page 279 and 280: Thrust Bearings d1 d D1 D r r T da
Page 281 and 282: Thrust Bearings d1 d D1 D r r T da
Page 283 and 284: Thrust Roller Bearings r d1 d D D1
Page 285 and 286: Thrust Roller Bearings r d1 d T r D
Page 287 and 288: Thrust Roller Bearings r d1 d T r D
Page 289 and 290: Tapered Roller Thrust Bearings (Sin
Page 291 and 292: Tapered Roller Thrust Bearings (Sin
Page 293 and 294: Tapered Roller Thrust Bearings (Dou
Page 295 and 296: Self-Aligning Thrust Roller Bearing
Page 301 and 302: Bearings for special applications C
Page 303 and 304: Split Cylindrical Roller Bearings:
Page 305 and 306: Double-Fractured Split Cylindrical
Page 307 and 308: Bearings for Preparing Rolls: Sendz
Page 309 and 310: Enclosed-Type Tapered Roller Bearin
Page 311: Tapered Roller Thrust Bearings: Scr
Page 315 and 316: Tension Leveler Roll Unit: Cartridg
Page 317 and 318: Turn Table Bearings: 3-Row Cylindri
Page 319 and 320: Sealed Spherical Roller Bearings: M
Page 321 and 322: Spherical Surface Slide Bearings ¡
Page 323 and 324: Catalog List & Appendix Table
Page 325 and 326: Catalog List CATALOG TITLES CATALOG
Page 327 and 328: Appendix Table D-5 Appendix table 1
Page 329 and 330: Appendix Table Appendix table 2: Co
Page 331 and 332: Appendix Table h4 h5 h6 h7 h8 h9 h1
Page 333 and 334: Appendix Table H7 H8 H9 H10 H11 H13
Page 335 and 336: Appendix Table Appendix table 8: Vi
Page 337: D-15 1/64 1/32 3/64 1/16 5/64 3/32
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NTN - Large Bearings

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