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Metric system

Open:

634

Dust cover:

634ZZ1

Sealed:

—

Sealed:

—

SEO：

Metric system

Classification：

Micro bearings

Metric system

Products

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Product Introduction

Bearing Code

Open Type 634

Dust Cover Type 634ZZ1

Sealed —

Overall Dimensions(mm)

d 4

D 16

B 5

B1 5

r 0.3

r1(min) 0.3

Limiting Speed(rpm)

Grease（Z.2ZZ） 36000

Grease（RS.2RS） —

Oil Lubrication 43000

Rated Load

Cr(N) 1730

Cor(N) 670

Cr(kgf) 177

Cor(kgf) 68

Mounting Dimensions(mm)

da(min) 6.0

db(max) 7.5

Da(max) 14.0

Db(min) 13.8

ra(max) 0.30

rb(max) 0.30

Weights(g)

Open Type 5.24

Dust Cover Type 5.21

Metric system

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