Clear All
System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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Mounted Bearing Type Mounted Bearing Type |
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![]() | Base Mount |
Length Length | Show |
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Length Length | Hide |
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Bearing Type Bearing Type |
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![]() | Ball |
Mounting Hole Center-to-Center Mounting HoleCenter-to-Center |
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ID ID |
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Grease Fitting Thread Type Grease Fitting Thread Type |
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Housing Material Housing Material |
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Shaft Mount Type Shaft Mount Type |
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Seal Type Seal Type |
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ABEC Rating ABEC Rating |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Grease Fitting Thread Size Grease Fitting Thread Size |
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Lubricant Lubricant |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Mounting Hole Depth Mounting Hole Depth |
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Mounting Hole Thread Pitch Mounting Hole Thread Pitch |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Ball and Roller Bearings
More
Compact-Base Mounted Ball Bearings

Concentric Lock Shaft Mount
Also known as tapped-base bearings, these ball bearings mount to surfaces from the bottom through threaded holes. Because of their narrow profile, they’re commonly used in tight-clearance spaces, including systems where multiple shafts are mounted close together.
Concentric lock shaft-mount bearings have a locking collar that centers and secures the shaft in the bearing bore. To install these bearings, tighten the single screw on the locking collar around its inner ring on your shaft. Their firm grip on shafts reduces vibration for quieter operation.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Hole | Radial Load Cap., lbs. | ||||||||||||||
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For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Thread Size | Thread Pitch | Dp. | Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||||
Shaft Mount Type: Concentric Lock | ||||||||||||||||
25mm | 36.5mm | 71.4mm | 76.2mm | 38.1mm | M10 | 1.5 mm | 11mm | 56mm | 2,800 | 1,650 | 6,350 | -20° to 220° | Self Aligning | Lubricated | 00000000 | 0000000 |