NTN - Large Bearings

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Double Row Tapered Roller <strong>Bearings</strong> (Outside Direction) 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. Abutment and fillet dimensions Load Constant Axial load factors Mass center mm mm kg d a D b S b r as r las min min min max max a e Y 1 Y 2 Y o (approx.) 598 781 40 5 2.5 318 0.35 1.95 2.90 1.91 512 612 754 38.5 4 2 288 0.39 1.74 2.59 1.70 291 628 828 12 5 2.5 277 0.37 1.80 2.69 1.76 348 636 925 18 6 3 350 0.40 1.68 2.50 1.64 858 636 923 44 6 3 380 0.38 1.77 2.64 1.73 1,050 688 809 17.5 3 1.5 283 0.40 1.68 2.50 1.64 201 688 845.5 27.5 3 2 317 0.45 1.51 2.25 1.48 277 706 1,033 20.5 6 3 397 0.40 1.68 2.50 1.64 1,180 706 1,021 28 6 3 397 0.37 1.80 2.69 1.76 1,410 746 974 14 6 3 327 0.37 1.80 2.69 1.76 640 746 974 14 6 3 324 0.36 1.87 2.79 1.83 654 746 982 29.5 6 3 362 0.39 1.73 2.58 1.69 810 836 1,092.5 47 6 3 400 0.37 1.80 2.69 1.76 1,119 1,068 1,260 40 5 2 472.3 0.40 1.68 2.50 1.64 975 1,137 1,396.5 40 4 2 554 0.47 1.43 2.12 1.40 1,255 B-139
Double Row Tapered Roller <strong>Bearings</strong> (Outside Direction) Inch system sizes B1 C D d a d 139.700 204.788mm Boundary dimensions Basic load ratings Bearing numbers dynamic static dynamic static mm kN kgf d D B 1 C C r C or C r C or 139.700 152.400 160.325 165.100 174.625 177.800 187.325 190.500 193.675 200.025 203.200 307.975 200.025 155.575 1,740 2,780 177,000 283,000 T-HH234031/HH234011D+A 307.975 200.025 146.050 1,510 2,620 154,000 267,000 T-EE450601/451215D+A 307.975 200.025 155.575 1,740 2,780 177,000 283,000 T-HH234048/HM234011D+A 288.925 142.875 111.125 1,160 2,140 119,000 218,000 T-HM237532/HM237510D+A 288.925 142.875 111.125 940 1,900 96,000 194,000 T-94649/94114D+A 288.925 142.875 111.125 1,160 2,140 119,000 218,000 T-HM237535/HM237510D+A 288.925 142.875 111.125 940 1,900 96,000 194,000 T-94687/94114D+A 288.925 142.875 111.125 1,160 2,140 119,000 218,000 T-HM237542/HM237510D+A 288.925 142.875 111.125 940 1,900 96,000 194,000 T-94700/94114D+A 288.925 142.875 111.125 1,160 2,140 119,000 218,000 T-HM237545/HM237510D+A 320.675 185.738 138.112 1,300 2,480 132,000 253,000 EE222070/222127D+A 320.675 185.738 138.112 1,590 2,790 162,000 285,000 T-H239640/H239612D+A 282.575 107.950 79.375 625 1,230 63,500 126,000 T-87737/87112D+A 320.675 185.738 138.112 1,590 2,790 162,000 285,000 T-H239649/H239612D+A 282.575 107.950 79.375 625 1,230 63,500 126,000 T-87750/87112D+A 317.500 146.050 111.125 1,060 2,310 108,000 236,000 T-93750/93127D+A 368.300 193.675 136.525 1,670 3,200 170,000 330,000 T-EE420751/421451D+A 282.575 107.950 79.375 625 1,230 63,500 126,000 T-87762/87112D+A 292.100 125.415 101.600 915 2,070 93,000 211,000 T-M241543/M241510D+A 317.500 146.050 111.125 1,060 2,310 108,000 236,000 T-93787/93727D+A 384.175 238.125 193.675 2,500 5,450 255,000 555,000 T-H247535/H247510D+A 276.225 90.485 73.025 585 1,380 60,000 141,000 LM241149/LM241110D+A 282.575 101.600 82.550 620 1,570 63,000 160,000 T-67983/67920D+A 292.100 125.415 101.600 915 2,070 93,000 211,000 T-M241547/M241510D+A 317.500 146.050 111.125 1,060 2,310 108,000 236,000 T-93800/93127D+A 368.300 193.675 136.525 1,670 3,200 170,000 330,000 T-EE420801/421451D+A 406.400 196.850 127.000 1,650 2,950 168,000 300,000 EE114080/114161D+A 204.788 292.100 125.415 101.600 915 2,070 93,000 211,000 T-M241549/M241510D+A Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. B-140
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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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Page 137 and 138: 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
Page 173 and 174: Double Row Tapered Roller Bearings
Page 187: Double Row Tapered Roller Bearings
Page 219 and 220: Double Row Steep Slope Tapered Roll
Page 229 and 230: Four Row Tapered Roller Bearings C2
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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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Thrust bearings
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Thrust Bearings 1. 3 Tapered roller
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Thrust Bearings d1 d D1 D r r T da
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Thrust Bearings d1 d D1 D r r T da
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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
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Tapered Roller Thrust Bearings (Sin
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Tapered Roller Thrust Bearings (Dou
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Self-Aligning Thrust Roller Bearing
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Bearings for special applications C
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Split Cylindrical Roller Bearings:
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Double-Fractured Split Cylindrical
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Bearings for Preparing Rolls: Sendz
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Enclosed-Type Tapered Roller Bearin
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Tapered Roller Thrust Bearings: Scr
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Tapered Roller Thrust Bearings: Scr
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Tension Leveler Roll Unit: Cartridg
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Turn Table Bearings: 3-Row Cylindri
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Sealed Spherical Roller Bearings: M
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Spherical Surface Slide Bearings ¡
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Catalog List & Appendix Table
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Catalog List CATALOG TITLES CATALOG
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Appendix Table D-5 Appendix table 1
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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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