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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR31318J

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External dimensions（mm)

d	90
D	190
T	46.5
B	43
C	30
Inner ring γ(minimum)	4
Outer Ring γ(minimum)	3

Rated load(N)

C_r	264000
C_or	315000

Rated load{kgf}

C_r	26900
C_or	32000

Rated speed min^-1

grease	1800
oil	2400

Bearing code

HR31318J

ISO355
size Series
(refer to)

7GB

Installation size(mm)

d_a（minimum）	118
d_b(maximum）	110
d_a(maximum）	176
d_a（minimum）	152
D_b(minimum)	179
S_a(minimum）	6
S_b(minimum）	16.5
Inner ring γ_a(maximum）	3
Outer Ring γ_a（maximum）	2.5

Location of
action point
(mm)

58.6

constant

0.83

axial load
coefficient

Y₁	0.73
Y₀	0.4

weight(kg)

(refer to)

5.52

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_HR31318J

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