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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR30312J

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External dimensions（mm)

d	60
D	130
T	33.5
B	31
C	26
Inner ring γ(minimum)	3
Outer Ring γ(minimum)	2.5

Rated load(N)

C_r	174000
C_or	201000

Rated load{kgf}

C_r	17700
C_or	20500

Rated speed min^-1

grease	3000
oil	4000

Bearing code

HR30312J

ISO355
size Series
(refer to)

2FB

Installation size(mm)

d_a（minimum）	78
d_b(maximum）	77
d_a(maximum）	118
d_a（minimum）	112
D_b(minimum)	120
S_a(minimum）	4
S_b(minimum）	7.5
Inner ring γ_a(maximum）	2.5
Outer Ring γ_a（maximum）	2

Location of
action point
(mm)

constant

0.35

axial load
coefficient

Y₁	1.7
Y₀	0.96

weight(kg)

(refer to)

2.03

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_HR30312J

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