NTN - Large Bearings

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Bearing Tolerances Unit m Inner ring Inner ring width deviation Overall width deviation of assembled single Overall width deviation Overall width deviation axial runout row tapered roller bearing, or height deviation of assembled double rows of assembled four rows ∆Bs (with side) tapered roller bearing or tapered roller bearing ∆Ts height deviation or height deviation Sia ∆B1s, ∆C1s ∆B2s,∆C2s class 4 class 0,6 class 6X class 4,5 class 0,6 class 6X class 4,5 class 0,6,5 class 0,6,5 max high low high low high low high low high low high low high low high low 5 0 -200 0 -50 0 -400 +200 -200 +100 0 +200 -200 +400 -400 +500 -500 7 0 -250 0 -50 0 -500 +350 -250 +150 0 +350 -250 +500 -500 +600 -600 8 0 0 0 0 0 0 0 0 0 -300 -350 -400 -450 -500 -750 -1,000 -1,200 -1,500 0 0 0 -50 -50 -50 0 -600 +350 +350 +400 -250 -250 -400 +150 +200 +200 0 0 0 +350 -250 +600 +700 +800 +900 +1,000 +1,500 +1,500 +1,500 +1,500 -600 -700 -800 -900 -1,000 -1,500 -1,500 -1,500 -1,500 +750 +900 +1,000 +1,200 +1,200 +1,500 +1,500 +1,500 +1,500 -750 -900 -1,000 -1,200 -1,200 -1,500 -1,500 -1,500 -1,500 Outer ring axial runout Sea 4 class 4 class 0,6,5,4 class 6X max sup. inf. sup. inf. 6 7 8 10 10 13 Outer ring width deviation Identical to ∆Bs inner ring of same bearing ∆Cs 0 0 0 0 0 0 0 0 4 To be applied for nominal bore diameters of 406.400mm (16 inch) or lass. Unit m -100 -100 -100 -100 -100 -100 -100 -100 Table 3.4 (3) Effective width of outer and inner rings with roller Nominal bore diameter d mm over incl. 80 120 180 250 315 T1 120 180 250 315 400 Effective width deviation of roller and inner ring assembly of tapered roller bearing ∆T1s ∆T2s class 0 class 6X class 0 class 6X high low high low high low high low +100 +150 +150 +150 +200 Master cup sub-unit -100 -150 -150 -150 -200 +50 +50 +50 +100 +100 T2 0 0 0 0 0 +100 +200 +200 +200 +200 -100 -100 -100 -100 -200 +50 +100 +100 +100 +100 Unit Tapered roller bearing outer ring effective width deviation Master cone sub-unit 0 0 0 0 0 d d A-15
Bearing Tolerances Table 3.5 Tolerance for tapered roller bearings of inch system Table 3.5 (1) Inner rings Nominal bore diameter Single bore diameter deviation d mm ∆ds Class 4 Class 2 Class 3 Class 0 Class 00 over incl. high low high low high low high low high low 76.2 266.7 304.8 609.6 914.4 1,219.2 266.7 304.8 609.6 914.4 1,219.2 +25 +25 +51 +76 +102 +127 0 0 0 0 0 0 +25 +25 +51 – – – 0 0 0 – – – +13 +13 +25 +38 +51 +76 0 0 0 0 0 0 +13 +13 – – – – 0 0 – – – – +8 – – – – – Unit m 0 – – – – – Table 3.5 (2) Outer rings Nominal outside diameter D – 266.7 304.8 609.6 914.4 1,219.2 mm over incl. 266.7 304.8 609.6 914.4 1,219.2 – Single outside diameter deviation ∆D Class 4 Class 2 Class 3 Class 0 Class 00 high low high low high low high low high low +25 +25 +51 +76 +102 +127 0 0 0 0 0 0 +25 +25 +51 +76 – – 0 0 0 0 – – +13 +13 +25 +38 +51 +76 0 0 0 0 0 0 +13 +13 – – – – 0 0 – – – – +8 – – – – – Unit m 0 – – – – – Table 3.5 (3) Effective width of inner rings with roller and outer rings Nominal Nominal Overall width deviation of assembled single row tapered roller bearing Overall width deviation bore outside of assembled ∆Ts diameter 4-row diameter tapered roller bearings d D ∆B2s, ∆C2s mm mm Class 4 Class 2 Class 3 Class 0,00 Class 4,2,3,0 over incl. over incl. high low high low high low high low high low – 101.6 304.8 304.8 609.6 101.6 304.8 609.6 609.6 – – 508.0 508.0 – +203 +356 +381 +381 +381 0 -254 -381 -381 -381 +203 +203 +381 +381 – 0 0 -381 -381 – +203 +203 +203 +381 +381 -203 -203 -203 -381 -381 +203 +203 – – – -203 -203 – – – +1,520 +1,520 +1,520 +1,520 +1,520 -1,520 -1,520 -1,520 -1,520 -1,520 Table 3.5 (4) Radial deflection of inner and outer rings Nominal outside diameter D over – 304.8 609.6 914.4 mm incl. 304.8 609.6 914.4 – Class 4 51 51 76 76 Inner ring radial runout Kia Outer ring radial runout Kea Class 2 Class 3 Class 0 max 38 38 51 – 8 18 51 76 4 – – – Unit m Class 00 2 – – – A-16
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 17: Bearing Tolerances Table 3.4 Tolera
Page 21 and 22: Bearing Tolerances Table 3.6 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 and 34: Bearing Internal Clearance (1) Redu
Page 35 and 36: 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 69 and 70:
Angular Contact Ball Bearings Singl
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Page 77 and 78:
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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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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
Page 309 and 310:
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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