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Tapered Roller Bearings/single-row tapered roller bearing

Single row tapered roller bearing (metric series) inner diameter 425-1900mm_R630-3

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External dimensions（mm)

d	630
D	780
T	100
B	95
C	80
Inner ring γ(minimum)	7.5
Outer Ring γ(minimum)	4

Rated load(N)

C_r	1780
C_or	5050

Rated load{kgf}

C_r	181000
C_or	515000

Bearing code

R630-3

ISO355
size Series
(refer to)

—

Installation size(mm)

d_a	677
d_b	647
d_a(maximum）	741
d_a（minimum）	(注)
D_b(minimum)	767
S_a(minimum）	—
S_b(minimum）	—
Inner ring γ_a(maximum）	6
Outer Ring γ_a（maximum）	3

Location of
action point
(mm)

147.8

constant

0.44

axial load
coefficient

Y₁	1.4
Y₀	0.75

weight(kg)

(refer to)

101

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 425-1900mm

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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 425-1900mm_R630-3

External dimensions（mm)

Rated load(N)

Rated load{kgf}

Bearing code

ISO355size Series(refer to)

Installation size(mm)

Location of action point(mm)

constant

axial loadcoefficient

weight(kg)

describe

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ISO355
size Series
(refer to)

Location of
action point
(mm)

axial load
coefficient