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  • Ball Bearings
    • 1600 Series
    • 6000 Series
    • 6200 Series
    • 6300 Series
    • 6700 Series
    • 6800 Series
    • 6900 Series
    • Loose Bearing Balls
    • AC Compressor Clutch Bearings
    • Insert Bearings
      • SA Series
      • SB Series
      • CSA Series
      • CSB Series
      • HC Series
      • SER Series
      • UC Series
      • UCX Series
    • Double Row Ball Bearings
      • 3200 Series Light Duty
      • 3300 Series Medium Duty
    • Miniature Bearings
    • R Series
  • Linear Bearings
    • CSB Precision linear bearings
    • KH Series
    • Linear Motion Guide Way Bearings
    • LM Series
    • LME Series
    • LMF Series
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    • LMK Series
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    • Shaft Supports
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    • Conveyor Hanger Mounted Bearing
    • Air Conditioning HVAC Bearings
    • Thermoplastic Bearing Units
    • Bearing Housings and Flanges
    • Cylindrical Cartridge Bearings
    • Take Up Flange Bearings
    • Take Up Flange Unit Bearings
    • Anti Bacterial Waterproof Bearings
    • Waterproof Bearings
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    Shop By Category

  • Ball Bearings
    • 1600 Series
    • 6000 Series
    • 6200 Series
    • 6300 Series
    • 6700 Series
    • 6800 Series
    • 6900 Series
    • Loose Bearing Balls
    • AC Compressor Clutch Bearings
    • Insert Bearings
      • SA Series
      • SB Series
      • CSA Series
      • CSB Series
      • HC Series
      • SER Series
      • UC Series
      • UCX Series
    • Double Row Ball Bearings
      • 3200 Series Light Duty
      • 3300 Series Medium Duty
    • Miniature Bearings
    • R Series
  • Roller Bearings
    • Cam Followers
    • Drawn Shell Cup Needle Roller Bearings
    • Machined Needle Roller Bearings
    • Tapered Roller Bearings
    • Yoke Track Follower Roller Bearings
  • Mounted Bearings
    • Pillow Block Bearings
    • 2 Bolt Flange Bearings
    • 3 Bolt Flange Bearings
    • 4 Bolt Flange Bearings
    • Conveyor Hanger Mounted Bearing
    • Air Conditioning HVAC Bearings
    • Thermoplastic Bearing Units
    • Bearing Housings and Flanges
    • Cylindrical Cartridge Bearings
    • Take Up Flange Bearings
    • Take Up Flange Unit Bearings
    • Anti Bacterial Waterproof Bearings
    • Waterproof Bearings
  • Linear Bearings
    • CSB Precision linear bearings
    • KH Series
    • Linear Motion Guide Way Bearings
    • LM Series
    • LME Series
    • LMF Series
    • LMH Series
    • LMK Series
    • LMS Series
    • SDM Series
    • Shaft Supports
    • SKW Series
    • SMA Series
    • SME Series
    • SSW Series
    • SW Series
    • SWA Series
    • SWD Series
    • SWF Series
    • Shafts
  • Agricultural Bearings
  • Oneway Clutch Bearings
  • Rod End Ball Joint Bearings
  • Food Grade Bearings
  • Thrust Bearings
  • Rod End Bearings
  • Oil Seals
  • Shop By Brand

  • View all Brands
  • Main Menu

  • Ball Bearings
    • 1600 Series
    • 6000 Series
    • 6200 Series
    • 6300 Series
    • 6700 Series
    • 6800 Series
    • 6900 Series
    • Loose Bearing Balls
    • AC Compressor Clutch Bearings
    • Insert Bearings
      • SA Series
      • SB Series
      • CSA Series
      • CSB Series
      • HC Series
      • SER Series
      • UC Series
      • UCX Series
    • Double Row Ball Bearings
      • 3200 Series Light Duty
      • 3300 Series Medium Duty
    • Miniature Bearings
    • R Series
  • Linear Bearings
    • CSB Precision linear bearings
    • KH Series
    • Linear Motion Guide Way Bearings
    • LM Series
    • LME Series
    • LMF Series
    • LMH Series
    • LMK Series
    • LMS Series
    • SDM Series
    • Shaft Supports
    • SKW Series
    • SMA Series
    • SME Series
    • SSW Series
    • SW Series
    • SWA Series
    • SWD Series
    • SWF Series
    • Shafts
  • Roller Bearings
    • Cam Followers
    • Drawn Shell Cup Needle Roller Bearings
    • Machined Needle Roller Bearings
    • Tapered Roller Bearings
    • Yoke Track Follower Roller Bearings
  • Mounted Bearings
    • Pillow Block Bearings
    • 2 Bolt Flange Bearings
    • 3 Bolt Flange Bearings
    • 4 Bolt Flange Bearings
    • Conveyor Hanger Mounted Bearing
    • Air Conditioning HVAC Bearings
    • Thermoplastic Bearing Units
    • Bearing Housings and Flanges
    • Cylindrical Cartridge Bearings
    • Take Up Flange Bearings
    • Take Up Flange Unit Bearings
    • Anti Bacterial Waterproof Bearings
    • Waterproof Bearings
  • Specialty
    • Agricultural Bearings
    • Oneway Clutch Bearings
    • Rod End Ball Joint Bearings
    • Food Grade Bearings
    • Thrust Bearings
    • Rod End Bearings
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    • Oil Seals
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  • Home
  • Ball Bearings
  • R Series
  • R20-ZZ Miniature Ball Bearing 1-1/4x2-1/4x1/2
  • R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Side View
  • R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Side View
  • R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Front View
  • R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Side View R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Side View R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Front View

    R20-ZZ Miniature Ball Bearing 1-1/4x2-1/4x1/2

    Minimum Order: 100 UnitsThis item is sold in bulk quantities only
    Wholesale Pricing — By Quote

    Pricing depends on quantity and current production runs. Add this item to a quote and we'll reply with unit pricing and lead time, in writing.

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    SKU:
    R20-ZZ
    Minimum Purchase:
    100 units
    Inner Diameter:
    1-1/4”
    Outer Diameter:
    2-1/4”
    Width:
    1/2”
    Material:
    Chrome Steel
    Lubrication:
    Chevron SRI-2 Grease
    Interchange Numbers:
    R20Z, R-20-2Z, R-20ZZ, R-20SFF, 77R20, 7R-20, R-20Z, S12KDD, EE-11ZZ
    Static Load:
    1,858 lbs
    Dynamic Load:
    2,973 lbs
    Grease RPM Limit:
    12,000 RPM
    Oil RPM Limit:
    14,000 RPM

    Adding to cart… category.add_cart_announcement

    Before you order: most items are produced to order — lead times are confirmed with your quote. Once placed, most orders cannot be cancelled or returned, so please verify dimensions and specifications first. Free shipping applies to most orders. Read the full Shipping & Returns policy.

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    • Overview

    Product Description

    The R Series Radial Ball Bearings have a combination of an inner and outer ring with a cage containing a complement of precision balls. The R Series Single Row Radial Ball Bearings are used in the following: axial fans, clutch, drive axles, idler wheels, electric motors, roller skates, skateboards, snow mobiles, fishing reel, equipment, conveyor and many other industrial machines.

    Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed and Shielded bearings are lubricated with oil or grease in the bearing factory, while open bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, electric motors, CNC machinery, trucks, mining equipment, train, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.

    Match #: R20Z, R-20-2Z, R-20ZZ, R-20SFF, 77R20, 7R-20, R-20Z, S12KDD, EE-11ZZ

    Product Videos

    Custom Field

    Inner Diameter 1-1/4”
    Outer Diameter 2-1/4”
    Width 1/2”
    Material Chrome Steel
    Lubrication Chevron SRI-2 Grease
    Interchange Numbers R20Z, R-20-2Z, R-20ZZ, R-20SFF, 77R20, 7R-20, R-20Z, S12KDD, EE-11ZZ
    Static Load 1,858 lbs
    Dynamic Load 2,973 lbs
    Grease RPM Limit 12,000 RPM
    Oil RPM Limit 14,000 RPM

    Product Reviews

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    R20-ZZ Ball Bearing 1-1/4x2-1/4x1/2 Side View
    R20-ZZ Miniature Ball Bearing 1-1/4x2-1/4x1/2

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