About this item
- 1/4″ in diameter; Package includes 50 piece ball
- Precision grade G25 balls
- Made of 440C stainless steel with maximum in material strength and highest hardness
- smooth surface precision balls
- Comparable with chrome steel balls in hardness
-440C stainless steel balls provide maximum hardness, toughness and dimensional stability.
-They are highly resistant to rolling-contact weariness.
-440C stainless steel balls are used in a hardened condition, perform similarly to tool steels, and are suitable for antifriction bearings (rolling bearings).
-440C stainless steel balls generally have excellent resistance to mild acids, alkalis, foods, fresh water and air.
-440C balls are uses in bearings, valves, locking mechanisms, fasteners and quick-disconnect couplings.
Suitable for a range of purposes, some of the most common are listed below:
-1/8″ is often used for clusters and old English-Style headsets
-1/4″ is often used for rear wheels and bottom brackets
-3/16″ is often used for front wheels
-5/32″ is often used for headsets with pressing cups
Specification:
Material: 440C Stainless steel
Precision: G25 (+/-0.002mm)
Diameter: 1/4″ (6.35mm)
Hardness: 56-58 HRC
Package Includes:
50 x Bearing Balls
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