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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 15-420mm_R420—4

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External dimensions（mm)

d	420
D	580
T	95
B	90
C	56
Inner ring γ(minimum)	6
Outer Ring γ(minimum)	5

Rated load(N)

C_r	1310
C_or	2700

Rated load{kgf}

C_r	133000
C_or	275000

Rated speed min^-1

grease	—
oil	—

Bearing code

R420—4

ISO355
size Series
(refer to)

—

Installation size(mm)

d_a（minimum）	469
d_b(maximum）	438
d_a(maximum）	539
d_a（minimum）	—
D_b(minimum)	569
S_a(minimum）	—
S_b(minimum）	—
Inner ring γ_a(maximum）	4
Outer Ring γ_a（maximum）	4

Location of
action point
(mm)

159.7

constant

0.74

axial load
coefficient

Y₁	0.8
Y₀	0.45

weight(kg)

(refer to)

69.4

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_R420—4

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