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A roller bearing dynamic load capacity of 30kN. Equivalent radial load that bearing can carry is 6 kN. The speed is 400 rpm. The desired life for 90% of bearings is __________ hours.
  • a)
    8901
  • b)
    8910
Correct answer is between ' 8901, 8910'. Can you explain this answer?
Verified Answer
A roller bearing dynamic load capacity of 30kN. Equivalent radial loa...
]
C = 30 kN
P = 6 kN
P(L10)0.3 = C
6 x (L10)0.3 = 30
L10 = 213.75 million rev
L10h = 8906.25 hours
View all questions of this test
Most Upvoted Answer
A roller bearing dynamic load capacity of 30kN. Equivalent radial loa...
]
C = 30 kN
P = 6 kN
P(L10)0.3 = C
6 x (L10)0.3 = 30
L10 = 213.75 million rev
L10h = 8906.25 hours
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A roller bearing dynamic load capacity of 30kN. Equivalent radial load that bearing can carry is 6 kN. The speed is 400 rpm. The desired life for 90% of bearings is __________ hours.a) 8901b) 8910Correct answer is between ' 8901, 8910'. Can you explain this answer?
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