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63 Series Radial Ball Bearing Types

Single Row Radial Ball Bearing, Made of Chrome Steel, Pre-lubricated with grease

The suffix “2RS” signifies the bearing is sealed, with rubber, on both sides. The suffix “ZZ” signifies the bearing is shielded, with metal, on both sides. Generally speaking, shielded bearings are more practical in cleaner, high-speed applications, while the sealed bearings are more practical for applications of slower speeds and dirtier environments.

Common applications for radial ball bearings include food processing, food and beverage industry, photo processing, appliances, furniture industry, marine applications, chemical and electroplating industries, paint and dye, textile industries, automotive, motorcycles, pumps, fans, water treatment, pharmaceutical industry and many other industrial applications.

Price: US $0.5-5 / Piece | 200 Piece/Pieces (Min. Order)

  • Product Details
Grooved raceways on inner and outer rings sustain moderate axial loads in both directions in addition to radial loads. Balls separated by steel cages permit high-speed operation. Constructed from high-quality SAE-52100 chromium bearing steel. Available open, sealed (2RS) or shielded (ZZ), providing high speed operation in a wide variety of applications. Some are available with double seals (2RSL). ZZ, 2RS and 2RSL are available pre-lubricated with upper premium polyrex grease. 
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Basic Bearing No. Bore
Outer Diameter
Basic Load Rating KN Ball Complement Max Runout Speed Weight kg
Dynamic C Static C0 No. Size mm Grease r/min Oil r/min

6319 95 200 45 3 153 119

3300 3900 5.76
6320 100 215 47 3 173 141

3200 3700 7
6321 105 225 49 3 184 153

3000 3600 8.05
6322 110 240 50 3 205 179

2900 3400 9.54
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