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$340.00 Each


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  • Weight: 3.2 lb
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Additional Description

Item Details
Manufacturer: MRC Bearing Service
Weight: 3.2 lbs.
Product Name: 300-R Medium Series Ball Bearing
Description: 55 mm ID x 120 mm OD x 29 mm Wide; Open; No Snap Ring; Single Row Angular Contact Steel Bearing
Inch/Metric Metric Bore Bore Type Round Bore
I.D. 55 mm O.D. [Min]  
O.D. [Max]   O.D. 120 mm
Width [Min]   Width [Max]  
Width 29 mm Enclosure Open
Rows of Balls Single Material Steel
O.D. Type Straight Bearing Type Angular Contact
Precision Standard Radial Internal Clearance Specification Normal Clearance
Ambient Temperature Range [Min]   Ambient Temperature Range [Max]  
Ball Material Steel Cage Type Metal
Capacity Standard Capacity Contact Angle 15°
Guide Type   Lubrication  
Outer Ring Width 29 mm Precision Level Standard (ABEC 1)
Preload Level None Seal Material None
Seal Type Unsealed Seal Width  
Dynamic Load Rating 21000 lbf Static Load Rating [Max] 15100 lbf
Ball Dia.   Bearing Design  
Bore B   Cage Material Steel
Collar No.   Collar O.D.  
Collar Width   Corner Radius [Min]  
Eccentric Collar Offset   Fillet Radius 2 mm
Flange O.D. [Max]   Flange O.D.  
Flange Width [Max]   Flange Width  
Flush Ground   Housing Shoulder Diameter [Min]  
Housing Shoulder Diameter [Max]   Housing Shoulder Diameter  
Industry Standard Part #   Inner Ring O.D.  
Inner Ring Offset   Inner Ring Width 29 mm
Internal Design   Limiting Speed  
Limiting Speed - Grease 5600 rpm Limiting Speed - Oil 6700 rpm
Limiting Speed - Sealed   Locking Device No Locking Device
Lube Hole Center   Lubricant Oil Preservative
Misalignment Range   No. in Set Single Bearing
No. of Balls   O.D. (B)  
Outer Ring   Outer Ring Inner Diameter  
Outer Ring Size   Peak Running Torque (mg-mm)  
Peak Starting Torque (mg-mm)   Pre Lubricant  
Preload Amount   Radial Internal Clearance Normal
Radial Load Rating [Max]   Radial Rigidity (lbf/µm)  
Reference Speed   Seal O.D.  
Seal Protection Width   Seating Washer  
Series   Set Screw Offset  
Set Screw Size   Shaft Shoulder Diameter [Min]  
Shaft Tolerance   Snap Ring No Snap Ring
Snap Ring O.D.   Snap Ring Offset  
Snap Ring Thickness   Special Features  
Stamping   Static Thrust Load Rating [Max]  
Temperature Range [Min]   Temperature Range [Max]  
Use With      
Product Information
  • Used with heavy radial loads, one-directional thrust loads, or a combination of both
  • Can be furnished duplex ground for mounting in pairs with two-directional thrust loads
  • Bores range in diameter from 12mm to 280 mm
  • 15° angular contact bearings with one heavy race shoulder and one counterbored race shoulder on the outer ring
  • Incorporates a greater number of balls than in the deepgroove nonfilling notch bearing
  • Normally furnished with ABMA C3 radial clearance
  • Cage types and materials available are two-piece pressed steel, ball riding, bent prong cages



Locking None
I.D. 2.165
Cage Metal
O.D. 4.724
Bearing Type Angular Contact
Enclosure Open

Return policy

Item must be unused.

Item must be in it's original package.

Product's availability

State of California Proposition 65 Product Warning