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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_30248

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External dimensions（mm)

d	240
D	440
T	79
B	72
C	60
Inner ring γ(minimum)	5
Outer Ring γ(minimum)	4

Rated load(N)

C_r	990000
C_or	1400000

Rated load{kgf}

C_r	101000
C_or	142000

Rated speed min^-1

grease	750
oil	1000

Bearing code

30248

ISO355
size Series
(refer to)

—

Installation size(mm)

d_a（minimum）	267
d_b(maximum）	288
d_a(maximum）	422
d_a（minimum）	384
D_b(minimum)	408
S_a(minimum）	11
S_b(minimum）	19
Inner ring γ_a(maximum）	4
Outer Ring γ_a（maximum）	3

Location of
action point
(mm)

85.1

constant

0.44

axial load
coefficient

Y₁	1.4
Y₀	0.74

weight(kg)

(refer to)

45.2

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_30248

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