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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_HR31321J

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External dimensions（mm)

d	105
D	225
T	58
B	53
C	36
Inner ring γ(minimum)	4
Outer Ring γ(minimum)	3

Rated load(N)

C_r	415000
C_or	540000

Rated load{kgf}

C_r	42000
C_or	55000

Rated speed min^-1

grease	1500
oil	2000

Bearing code

HR31321J

ISO355
size Series
(refer to)

7GB

Installation size(mm)

d_a（minimum）	141
d_b(maximum）	130
d_a(maximum）	211
d_a（minimum）	177
D_b(minimum)	211
S_a(minimum）	7
S_b(minimum）	22
Inner ring γ_a(maximum）	3
Outer Ring γ_a（maximum）	2.5

Location of
action point
(mm)

70.2

constant

0.83

axial load
coefficient

Y₁	0.73
Y₀	0.4

weight(kg)

(refer to)

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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132 2888 8061

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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_HR31321J

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