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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_30304D

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External dimensions（mm)

d	20
D	52
T	1625
B	15
C	12
Inner ring γ(minimum)	1.5
Outer Ring γ(minimum)	1.5

Rated load(N)

C_r	25300
C_or	24500

Rated load{kgf}

C_r	2580
C_or	2490

Rated speed min^-1

grease	7100
oil	10000

Bearing code

30304D

ISO355
size Series
(refer to)

—

Installation size(mm)

d_a（minimum）	34
d_b(maximum）	26
d_a(maximum）	43
d_a（minimum）	37
D_b(minimum)	49
S_a(minimum）	2
S_b(minimum）	4
Inner ring γ_a(maximum）	1.5
Outer Ring γ_a（maximum）	1.5

Location of
action point
(mm)

16.7

constant

0.81

axial load
coefficient

Y₁	0.74
Y₀	0.41

weight(kg)

(refer to)

0.168

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_30304D

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