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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_30303D

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External dimensions（mm)

d	17
D	47
T	1525
B	14
C	10.5
Inner ring γ(minimum)	1
Outer Ring γ(minimum)	1

Rated load(N)

C_r	22000
C_or	20300

Rated load{kgf}

C_r	2240
C_or	2070

Rated speed min^-1

grease	8000
oil	11000

Bearing code

30303D

ISO355
size Series
(refer to)

—

Installation size(mm)

d_a（minimum）	29
d_b(maximum）	23
d_a(maximum）	41
d_a（minimum）	34
D_b(minimum)	44
S_a(minimum）	2
S_b(minimum）	4.5
Inner ring γ_a(maximum）	1
Outer Ring γ_a（maximum）	1

Location of
action point
(mm)

15.4

constant

0.81

axial load
coefficient

Y₁	0.74
Y₀	0.41

weight(kg)

(refer to)

0.129

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_30303D

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