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Spherical Plain Bearing Fits

Spherical Plain Bearing Fits

Triangle Manufacturing Company's spherical plain bearings are available in multiple bearing fits. Bearing fits will vary as defferent applications may require them to be looser or tighter. Below are the floowing definitions to help you decide what spherical plain bearing fit is right for your application.

Optional Fits for Triangle's Spherical Plain Bearings

 Tight Fit

The spherical plain bearing can be aligned with a shaft with difficulty when the mounting is bolted down or clamped in a vise. 

Snug Fit

The spherical plain bearing can be aligned with a shaft without difficulty while the mounting is held in a vise. 

Drag Fit

The spherical plain bearing can be moved with a shaft (plug gauge) while holding the mounting in your hand. It should be difficult to align without the shaft. No end play is allowable. 

Light Drag Fit

The spherical plain bearing can be aligned with the fingers; some resistance is preferred during alignment with a maximum of 0.008-inch end play. 

Spin Fit

The spherical plain bearing has no resistance to being moved and has a maximum of 0.010-inch end play. 

Loose Fit

The spherical plain bearing may have more than 0.010-inch end play and is held loosely by the retainer ring. 


Some overlap of spherical plain bearing fit types is to be expected. If the fit is not specified, we will ship products with a fit between light drag and snug. We do not charge extra for different fits. 

Triangle Manufacturing's spherical plain bearings are low maintenance and cost-efficient. There are many advantages in utilizing a plain bearing when a ball bearing is not necessary. You can find a Triangle spherical plain bearing in lawn mowers, agriculture equipment, vending machines, conveyors, industrial reels, solar trackers and more. If you would like to learn more information about Triangle's spherical plain bearings view our product listing page. If you would like to learn more information about Triangle's spherical plain bearing fit options contact us today or call directly (920) 235-3710.

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