638 Open Type Miniature Bearing Size:8x28x9mm

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638

Bore Diameter:8 mm

Outside Diameter:28 mm

Width:9 mm

Min. Order:1 Piece

The 638 bearing is a Deep Groove Ball Bearings with an inner diameter of 8 mm , an outer diameter of 28 mm, a width of 9 mm. It typically uses P0 grade precision tolerances and features a Steel cage, Chrome Steel (Gcr15) balls, It primarily bears Radial, Its dynamic radial rated load is approximately 4571 (N), its static radial rated load is approximately 1982 (N). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Application: small power tools, printers, computer hard drives, model toys, and various precision instruments and electronic equipment

Dimensions:

Inside Diameter:

8 mm

Outside Diameter:

28 mm

Thickness:

9 mm

Performance Data:

Dynamic load Capacity, Radial (Cr):

4571 (N)

Static load Capacity, Radial (Cor):

1982 (N)

Reference speed (Grease rpm):

Limiting speed (Oil rpm):

Specifications:

HS Code:

8482102000

Structure:

Ball Bearing

Number of Rows:

Single

Demensions:

8x28x9

Brand:

Neutral Product

Precision Rating:

Load Direction:

Radial

Bearing Material:

Chrome Steel (Gcr15)

Cage material:

Steel

Ball Material:

Chrome Steel (Gcr15)

Series:

630

Rolling Element:

Ball

Closure Type:

Open

Transaction Information:

Transport Package:

Standard Export Package

Shipping Ways:

by Sea or Air

Country of Origin:

China

Stock:

100 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

638 Miniature Deep Groove Ball Bearing, Open Type, Single Row, High Speed, Low Noise.

Size: 8x28x9mm

Inner Diameter (d): 8mm

Outer Diameter (D): 28mm

Width (t): 9mm

Inner Race and Outer Race Material: Chrome Steel

Rolling Element Material: Chrome Steel

Cage Material: Steel

Precision: P0

Closures: Open

Number of Row: Single

Load Direction: Radial

HS Code: 8482102000

Bearing Part No.	638
Dimensions (mm)
Bore (d)	8
Outerside Dia.(D)	28
Width (t)	9
Basic Load Ratings (N)
Cr	4571
Cor	1982
Limiting Speed (rev/min)
Grease	28
Oil	34
Weight (g)	28.1

Miniature bearings are widely used in different of applications, including small power tools, printers, computer hard drives, model toys, and various precision instruments and electronic equipment that demand compact and efficient bearing solutions.

All the bearings we are offering are direct factory price, fast delivery, perfect quality. For more bearings, please feel free to mail us at [email protected] or contact us by Wechat or Whatsapp at +8618062246726.

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How can you buy 638 Open Type Miniature Bearing Size:8x28x9mm on the Internet?
High quality 638 ( ID: 8 mm OD: 28 mm WD: 9 mm , 630 Series , Single Rows , P0 Accuracy Class , Chrome Steel (Gcr15) Material , 4571 (N) Radial dynamic , 1982 (N) Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 638. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.

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638 Open Type Miniature Bearing Size:8x28x9mm

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