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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR30305C

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External dimensions（mm)

d	25
D	62
T	18.25
B	17
C	14
Inner ring γ(minimum)	1.5
Outer Ring γ(minimum)	1.5

Rated load(N)

C_r	42000
C_or	45000

Rated load{kgf}

C_r	4300
C_or	4550

Rated speed min^-1

grease	6000
oil	8500

Bearing code

HR30305C

ISO355
size Series
(refer to)

—

Installation size(mm)

d_a（minimum）	36
d_b(maximum）	35
d_a(maximum）	53
d_a（minimum）	49
D_b(minimum)	58.5
S_a(minimum）	3
S_b(minimum）	4
Inner ring γ_a(maximum）	1.5
Outer Ring γ_a（maximum）	1.5

Location of
action point
(mm)

16.4

constant

0.55

axial load
coefficient

Y₁	1.1
Y₀	0.6

weight(kg)

(refer to)

0.276

describe

Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways

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Single row tapered roller bearing (metric series) inner diameter 15-420mm

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Quickly find the product you need

Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR30305C

External dimensions（mm)

Rated load(N)

Rated load{kgf}

Rated speed min-1

Bearing code

ISO355size Series(refer to)

Installation size(mm)

Location of action point(mm)

constant

axial loadcoefficient

weight(kg)

describe

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Rated speed min^-1

ISO355
size Series
(refer to)

Location of
action point
(mm)

axial load
coefficient