77R4 (Alt P/N:RI-4ZZ) Inch Size Miniature Ball Bearing Size 1/4x5/8x25/128 Inch

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RI-4ZZ

Bore Diameter:1/4 inch

Outside Diameter:5/8 inch

Width:25/128 inch

Min. Order:1 Piece

The RI-4ZZ bearing is a Deep Groove Ball Bearings with an inner diameter of 1/4 inch , an outer diameter of 5/8 inch, a width of 25/128 inch. 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 1481 (N), its static radial rated load is approximately 618 (N). Shielded type, Steel. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: RI-4ZZ

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

Dimensions:

Inside Diameter:

1/4 inch

Outside Diameter:

5/8 inch

Thickness:

25/128 inch

Performance Data:

Dynamic load Capacity, Radial (Cr):

1481 (N)

Static load Capacity, Radial (Cor):

618 (N)

Reference speed (Grease rpm):

Limiting speed (Oil rpm):

Specifications:

HS Code:

8482102000

Structure:

Ball Bearing

Number of Rows:

Single

Demensions:

1/4x5/8x25/128

Brand:

Neutral Product

Precision Rating:

Load Direction:

Radial

Bearing Material:

Chrome Steel (Gcr15)

Cage material:

Steel

Seals Type:

Shielded

Seal Material:

Steel

Ball Material:

Chrome Steel (Gcr15)

System of Measurement:

Inch

Rolling Element:

Ball

Closure Type:

Shielded

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

77R4 Miniature Deep Groove Ball Bearing (Interchange Part No.:RI-4ZZ), Double Shielded, Single Row, High Speed, Low Noise.

Size: 1/4x5/8x25/128 inch (6.35x15.875x4.978mm)

Inner Diameter (d): 1/4 inch (6.35mm)

Outer Diameter (D): 5/8 inch (15.875mm)

Width (t): 25/128 inch (4.978mm)

Inner Race and Outer Race Material: Chrome Steel

Rolling Element Material: Chrome Steel

Cage Material: Steel

Shield Material: Steel

Precision: P0

Closures: Shielded

Number of Row: Single

Load Direction: Radial

HS Code: 8482102000

Bearing Part No.

Equivalent Part No.

Dimensions (mm)

Basic Load Ratings

Limiting Speed (rev/min)

Weight (g)

Bore (d)

OD (D)

Width (t)

Cr (N)

Cor (N)

Grease

Oil

inch

77R4

RI-4ZZ

1/4

6.35

5/8

15.875

25/128

4.978

1481

618

4.54

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 77R4 (Alt P/N:RI-4ZZ) Inch Size Miniature Ball Bearing Size 1/4x5/8x25/128 Inch on the Internet?
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77R4 (Alt P/N:RI-4ZZ) Inch Size Miniature Ball Bearing Size 1/4x5/8x25/128 Inch

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