NTN - Large Bearings

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Bearing Internal Clearance Table 5.3 Radial internal clearance of double row and duplex angular contact ball bearings Nominal bore diameter dmm C1 C2 Normal C3 C4 over incl. min max min max min max min max min max 80 100 120 150 180 200 225 250 280 315 400 100 120 150 180 200 225 250 280 315 400 500 3 3 3 3 3 3 3 3 3 - - 13 15 16 18 20 25 25 30 30 - - 13 15 16 18 20 25 25 30 30 40 40 22 30 33 35 40 50 50 55 55 65 65 22 30 35 35 40 50 50 55 55 60 60 Notes: 1. The clearance group in the table is applied only to contact angles in the table below. 2. This table shows NTN standard clearances. Contact angle symbol C A 1 B Nominal contact angle 15˚ 30˚ 40˚ Applicable clearance group 2 C1C2 C2NormalC3 NormalC3C4 1 Usually not to be indicated 2 For information concerning clearance other than applicable clearance, please contact NTN Engineering. Unit m Nominal bore Radial internal clearance CM diameter dmm Deep groove ball bearings Cylindrical roller bearings over incl. min max min max 80 100 120 140 160 180 (incl.) 40 50 55 60 65 75 75 85 85 85 85 100 120 140 160 180 200 40 50 55 60 65 75 80 90 100 110 110 18 18 24 24 60 75 80 90 100 115 130 150 170 180 180 30 30 38 38 95 110 130 150 180 210 230 260 300 - - 35 35 40 50 60 65 55 60 65 80 90 100 120 140 170 200 240 270 300 340 380 - - Table 5.4 Radial internal clearance of bearings for electric motor Notes: 1. Suffix CM is added to bearing numbers. Ex. 6220CM 2. Cylindrical roller bearings are non-interchangeable clearance. Unit m Table 5.5 Radial internal clearance of cylindrical roller bearings, needle roller bearings (Interchangeable, cylindrical bore bearings) Nominal bore diameter C2 Normal C3 C4 C5 dmm over incl. min max min max min max min max min max 80 100 120 100 120 140 15 15 15 50 55 60 50 50 60 85 90 105 75 85 100 110 125 145 105 125 145 140 165 190 155 180 200 Unit m 190 220 245 140 160 180 160 180 200 20 25 35 70 75 90 70 75 90 120 125 145 115 120 140 165 170 195 165 170 195 215 220 250 225 250 275 275 300 330 200 225 250 225 250 280 45 45 55 105 110 125 105 110 125 165 175 195 160 170 190 220 235 260 220 235 260 280 300 330 305 330 370 365 395 440 280 315 355 315 355 400 55 65 100 130 145 190 130 145 190 205 225 280 200 225 280 275 305 370 275 305 370 350 385 460 410 455 510 485 535 600 400 450 500 450 500 560 110 110 120 210 220 240 210 220 240 310 330 360 310 330 360 410 440 480 410 440 480 510 550 600 565 625 - 665 735 - 560 630 710 630 710 800 140 145 150 260 285 310 260 285 310 380 425 470 380 425 470 500 565 630 500 565 630 620 705 790 - - - - - - 800 900 1,000 1,120 900 1,000 1,120 1,250 180 200 220 230 350 390 430 470 350 390 430 470 520 580 640 710 520 580 640 710 690 770 850 950 690 770 850 950 860 960 1,060 1,190 - - - - - - - - Note: This table shows NTN standard clearances where "d500mm". A-31
Bearing Internal Clearance Table 5.6 Radial internal clearance of cylindrical roller bearings, needle roller bearings (non-interchangeable) Nominal bore Bearing with cylindrical bore diameter dmm C1NA C2NA NA 1 C3NA C4NA C5NA over incl. min max min max min max min max min max min max 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 10 10 15 15 15 20 20 25 25 30 30 35 45 50 - 25 25 30 35 35 40 45 50 55 60 65 75 85 95 - 25 25 30 35 35 40 45 50 55 60 65 75 85 95 100 45 50 60 65 75 80 90 100 110 120 135 150 170 190 210 45 50 60 65 75 80 90 100 110 120 135 150 170 190 210 70 80 90 100 110 120 135 150 165 180 200 225 255 285 320 80 95 105 115 125 140 155 170 185 205 225 255 285 315 350 105 120 135 150 165 180 200 215 240 265 295 330 370 410 450 105 120 135 150 165 180 200 215 240 265 295 330 370 410 450 125 145 160 180 200 220 240 265 295 325 360 405 455 505 550 155 180 200 225 250 275 305 330 370 410 455 510 565 625 720 180 205 230 260 285 315 350 380 420 470 520 585 650 720 815 560 630 710 630 710 800 - - - - - - 110 130 140 230 260 290 230 260 290 350 400 450 380 435 485 500 570 635 500 570 635 615 695 780 800 900 1,000 910 1,030 1,140 800 900 1,000 1,120 900 1,000 1,120 1,250 - - - - - - - - 160 180 200 220 330 360 400 440 330 360 400 440 500 560 620 690 540 600 670 750 700 780 900 1,000 700 780 900 1,000 860 970 1,100 1,220 1,130 1,270 1,410 1,580 1,290 1,440 1,620 1,820 1 For bearings with normal clearance, only NA is added to bearing numbers. Ex. NU310NA Table 5.7 Axial internal clearance of metric double row and duplex tapered roller bearings (except series 329X, 322C, 323C) Nominal bore diameter Contact angle27˚ (e 0.76) dmm C2 Normal C3 C4 over incl. min max min max min max min max 80 100 120 140 160 180 200 225 250 280 315 355 400 500 560 630 710 800 900 1,000 1,120 1,250 100 120 140 160 180 200 225 250 280 315 355 400 500 560 630 710 800 900 1,000 1,120 1,250 1,400 45 45 45 60 80 100 120 160 180 200 220 260 300 350 400 500 550 650 700 750 850 1,000 150 175 175 200 220 260 300 360 400 440 480 560 600 650 700 850 950 1,050 1,100 1,250 1,350 1,500 150 175 175 200 240 260 300 360 400 440 500 560 620 750 850 1,000 1,100 1,250 1,400 1,500 1,700 2,000 260 305 305 340 380 420 480 560 620 680 760 860 920 1,050 1,150 1,350 1,500 1,650 1,800 2,000 2,200 2,500 280 350 390 400 440 500 560 620 700 780 860 980 1,100 1,250 1,400 1,650 1,800 2,000 2,200 2,500 2,850 3,000 390 480 520 540 580 660 740 820 920 1,020 1,120 1,280 1,400 1,550 1,700 2,000 2,200 2,400 2,600 3,000 3,350 3,500 390 455 500 520 600 660 720 820 920 1,020 1,120 1,280 1,440 1,650 1,850 2,100 2,300 2,550 2,900 3,250 3,700 4,000 500 585 630 660 740 820 900 1,020 1,140 1,260 1,380 1,580 1,740 1,950 2,150 2,450 2,700 2,950 3,300 3,750 4,200 4,500 Notes: 1. This table applies to bearings contained in the catalog. For information concerning other bearings or bearings using US customary unit, please contact NTN Engineering. 2. The correlation of axial internal clearance (∆a) and radial internal clearance (∆r) is expressed as ∆r = 0.667 e∆a. e: Constant (see dimensions table) 3. Bearing series 329X, 330, 322C and 323Cdo not apply to the table. 4. This table shows NTN standard clearances. A-32
Page 1 and 2: For New Technology Network R corpor
Page 3 and 4: Warranty NTN warrants, to the origi
Page 5 and 6: A-2
Page 7 and 8: A-4
Page 9 and 10: Load Rating and Life n min -1 60,00
Page 11 and 12: Bearing Load Calculation 2. Bearing
Page 13 and 14: A-10A-30
Page 15 and 16: Bearing Tolerances Table 3.3 Tolera
Page 23 and 24: Bearing Tolerances 3.2 Limits and t
Page 25 and 26: Bearing Fits 4. Bearing Fits 4.1 In
Page 27 and 28: Bearing Fits (3) Consideration must
Page 29 and 30: Bearing Fits Table 4.3 Standard fit
Page 31 and 32: Bearing Fits Table 4.6 Fits for inc
Page 33: Bearing Internal Clearance (1) Redu
Page 37 and 38: Bearing Internal Clearance Table 5.
Page 39 and 40: Bearing Internal Clearance Table 5.
Page 41 and 42: Lubrication 6. Lubrication 6.1 Lubr
Page 43 and 44: Lubrication 6.3.2 Base oil Natural
Page 45 and 46: Lubrication 6.5 Oil lubrication Oil
Page 47 and 48: Lubrication Table 6.9 Factor K Expe
Page 49 and 50: MEMO A-46
Page 51 and 52: INDEX OF BEARING TABLES Deep Groove
Page 53 and 54: Deep Groove Ball Bearings
Page 55 and 56: Deep Groove Ball Bearings D r B r d
Page 61 and 62: Deep Groove Ball Bearings r D B r d
Page 63 and 64: Angular Contact Ball Bearings
Page 65 and 66: Angular Contact Ball Bearings 1. 2
Page 67 and 68: Angular Contact Ball Bearings Singl
Page 81 and 82: Double Row Angular Contact Ball Bea
Page 83 and 84: Double Row Angular Contact Ball Bea
Page 85 and 86:
Cylindrical Roller Bearings
Page 87 and 88:
Cylindrical Roller Bearings Table 3
Page 89 and 90:
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
Page 139 and 140:
Tapered Roller Bearings Table 2 Str
Page 141 and 142:
Tapered Roller Bearings Inch system
Page 143 and 144:
Tapered Roller Bearings Inch system
Page 145 and 146:
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
Page 251 and 252:
Spherical Roller bearings
Page 253 and 254:
Spherical Roller Bearings 2. Dimens
Page 255 and 256:
Spherical Roller Bearings B r r D d
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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
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Thrust Roller Bearings r d1 d T r D
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Thrust Roller Bearings r d1 d T r D
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Tapered Roller Thrust Bearings (Sin
Page 291 and 292:
Tapered Roller Thrust Bearings (Sin
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Tapered Roller Thrust Bearings (Dou
Page 295 and 296:
Self-Aligning Thrust Roller Bearing
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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 and 312:
Tapered Roller Thrust Bearings: Scr
Page 313 and 314:
Tapered Roller Thrust Bearings: Scr
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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
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Appendix Table h4 h5 h6 h7 h8 h9 h1
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Appendix Table H7 H8 H9 H10 H11 H13
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Appendix Table Appendix table 8: Vi
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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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