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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR30308DJ

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External dimensions（mm)

d	40
D	90
T	25.25
B	23
C	17
Inner ring γ(minimum)	2
Outer Ring γ(minimum)	1.5

Rated load(N)

C_r	80000
C_or	89500

Rated load{kgf}

C_r	8150
C_or	9150

Rated speed min^-1

grease	3800
oil	5300

Bearing code

HR30308DJ

ISO355
size Series
(refer to)

7FB

Installation size(mm)

d_a（minimum）	56
d_b(maximum）	50
d_a(maximum）	81
d_a（minimum）	70
D_b(minimum)	87
S_a(minimum）	3
S_b(minimum）	8
Inner ring γ_a(maximum）	2
Outer Ring γ_a（maximum）	1.5

Location of
action point
(mm)

28.7

constant

0.83

axial load
coefficient

Y₁	0.73
Y₀	0.4

weight(kg)

(refer to)

0.728

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_HR30308DJ

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