Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
BL-00476-CH-G20 (Pack of 100)
MBA
Store Name: Small Parts & Bearings
Balls Master Catalogue PDF
AFBMA and ISO Ball Grades
5.0 / 5.0
(1) 1 total reviews
Order 50 or more packs of 100 (5000 pcs)
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3/16 inch Ball - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Metallic Balls - Chrome Steel SAE 52100 - Sold Per 100:
Base Category: Balls - Metallic
Top Level Category: Balls - Metallic - Chrome Steel
Product Details
Diameter (D): 4.763mm+/- 0.00254
(4.763mm is 0.188 in.)
Chrome Steel SAE 52100
- Diameter (D): 4.763mm
+/- 0.00254
(4.763mm is 0.188 in.)
- Material: SAE52100 Chrome
- Precision: ISO 3290 Grade 20
- Hardness: 60-70 Rockwell C
- Properties: Commonly used in precision bearings.
- Colour: Silver
- Specific Gravity: 7.833
- Ovality: +/-0.00050
Brand: MBA
Country of Origin: JP
Product Compliance and Data
Similar to
- ALTPART
- 9528K13
- Small Parts BS-3
- BS3
We offer equivalents to many brands including Anderton, Barden, Berg, Designatronics, EZO, ISC, Koyo, Myonic, NMB, Nordex, NSK, Ondrives, Reid Industrial, RMB, SDP-SI, Seeger, SKF, and more.
BL00476CHG20, BL00476
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I used these to upgrade the bearings in my cup and cone system on my MTB front wheel. I didn't think I would be able to tell the difference, the difference with Gr20 balls was amazing.

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Bearing Material Selection and Benefits
Bearings - Corrosion Resistant
Bearings - Radial - Master List
CROSS REFERENCES
We provide equivalents to many brands including Berg - Designatronics - Nordex - NSK - Oilite - Ondrives - Reid Industrial - SDP-SI - SKF. The following PDF cross references contain hundreds of thousands of part conversions.
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I used these to upgrade the bearings in my cup and cone system on my MTB front wheel. I didn't think I would be able to tell the difference, the difference with Gr20 balls was amazing.