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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR31330J

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External dimensions（mm)

d	150
D	320
T	82
B	75
C	50
Inner ring γ(minimum)	5
Outer Ring γ(minimum)	4

Rated load(N)

C_r	790000
C_or	1100000

Rated load{kgf}

C_r	80500
C_or	112000

Rated speed min^-1

grease	1000
oil	1400

Bearing code

HR31330J

ISO355
size Series
(refer to)

7GB

Installation size(mm)

d_a（minimum）	194
d_b(maximum）	187
d_a(maximum）	302
d_a（minimum）	253
D_b(minimum)	300
S_a(minimum）	9
S_b(minimum）	32
Inner ring γ_a(maximum）	4
Outer Ring γ_a（maximum）	3

Location of
action point
(mm)

99.3

constant

0.83

axial load
coefficient

Y₁	0.73
Y₀	0.4

weight(kg)

(refer to)

28.5

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_HR31330J

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