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Home>Products>needle roller bearings>KOYO RNA4908 needle roller bearings

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  • KOYO RNA4908 needle roller bearings
  • KOYO RNA4908 needle roller bearings
  • KOYO RNA4908 needle roller bearings
  • KOYO RNA4908 needle roller bearings

KOYO RNA4908 needle roller bearings

  • KOYO RNA4908 needle roller bearings Needs Analysis , 35.000 mm d needle roller bearings Manufacturing Service . NTN BEARING CORP. Get Your Free.

  • What is RNA4908 bearing interchange?

  • KOYO
  • RNA4908

  • 35.000 mm
  • One Shield & Snap-Ri
  • 38.10 mm
  • 1.50 mm
  • 80.0000 mm
  • 7500 rpm
  • 5600 rpm
  • 52300 N
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  • NTN BEARING CORP.2020-07-10 09:46:19
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KOYO RNA4908 needle roller bearingsProduct features

d: 35.000 mm Accessories: One Shield & Snap-Ri B: 38.10 mm
Fillet Radius ra: 1.50 mm D: 80.0000 mm Oil Speed Rating n2: 7500 rpm
Grease Speed Rating n1: 5600 rpm Basic Dynamic Radial Load Rating C: 52300 N Basic Static Radial Load Rating Co: 48000 N
Sealed Speed Rating n3: 5600 rpm
KOYO RNA4908 needle roller bearings pdf

KOYO RNA4908 needle roller bearingsSpecifications

KOYO RNA4908 bearing Size Chart (mm/inches)

Bearing number7015 ACB/P4A
Size (mm)115x75x20
Bore Diameter (mm)115
Outer Diameter (mm)75
Width (mm)20
d75 mm
D115 mm
B20 mm
d190 mm
d288.2 mm
D2102.8 mm
r1,2 - min.1.1 mm
r3,4 - min.0.6 mm
a32.3 mm
da - min.81 mm
db - min.81 mm
Da - max.109 mm
Db - max.111.8 mm
ra - max.1 mm
rb - max.0.6 mm
dn91.1 mm
Basic dynamic load rating - C19 kN
Basic static load rating - C016.6 kN
Fatigue load limit - Pu0.71 kN
Limiting speed for grease lubrication14000 r/min
Limiting speed for oil lubrication22000 mm/min
Ball - Dw7.938 mm
Ball - z30
Gref7.7 cm3
Calculation factor - e0.68
Calculation factor - Y20.87
Calculation factor - Y00.38
Calculation factor - X20.41
Calculation factor - Y10.92
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Preload class A - GA115 N
Preload class B - GB230 N
Preload class C - GC690 N
Calculation factor - f1.08
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.01
Calculation factor - f2C1.04
Calculation factor - fHC1
Preload class A133 N/micron
Preload class B169 N/micron
Preload class C255 N/micron
d190 mm
d288.2 mm
D2102.8 mm
r1,2 min.1.1 mm
r3,4 min.0.6 mm
da min.81 mm
db min.81 mm
Da max.109 mm
Db max.111.8 mm
ra max.1 mm
rb max.0.6 mm
dn91.1 mm
Basic dynamic load rating C25.1 kN
Basic static load rating C027 kN
Fatigue load limit Pu0.71 kN
Attainable speed for grease lubrication14000 r/min
Attainable speed for oil-air lubrication22000 r/min
Ball diameter Dw7.938 mm
Number of balls z30
Reference grease quantity Gref7.7 cm³
Preload class A GA115 N
Static axial stiffness, preload class A133 N/µm
Preload class B GB230 N
Static axial stiffness, preload class B169 N/µm
Preload class C GC690 N
Static axial stiffness, preload class C255 N/µm
Calculation factor f1.08
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.01
Calculation factor f2C1.04
Calculation factor fHC1
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.7 kg

KOYO RNA4908 needle roller bearings

KOYO RNA4908 needle roller bearings Cad Models

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  • angular contact ball bearings
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  • thrust roller bearings
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  • Timken 5208 Bearing
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  • Product Categories
    • angular contact ball bearings
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    • deep groove ball bearings
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    • spherical roller bearings
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