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Bearing QJF1021MB

Bearing QJF1021MB

MMYD Four point contact ball bearings have a greater number of balls and higher capacities than deep groove ball bearings with the same boundary dimensions and are suitable...
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Product Description

MMYD

Four point contact ball bearings have a greater number of balls and higher capacities than deep groove ball bearings with the same boundary dimensions and are suitable for higher loads and speeds with proper lubrication. However, because of the absence of a flange on one side of the outer race, Bearing QJF1021MB are capable of supporting thrust loading in only one direction. This is why most applications employ two of the same Bearing QJF1021MB facing opposite directions, often as a duplex pair. Customer must be ordered “flush ground”, designated by the “G” suffix. “G” basically means “No axial clearance, no preload.” In cases where the tandem mounting is required, Bearing QJF1021MB with thrust capability is usually employed on the shaft to take thrust or locate the shaft in the opposite direction as the pair.

MMED
Preloading is often employed with duplex pairs of Industrial Bearings Solutions for various reasons, and Industrial Bearings Solutions suffix designations are as follows:
Flush ground Industrial Bearings Solutions bearings are sold and packaged individually, meaning any two randomly selected “G” bearings can be mounted together. Preloaded Bearing QJF1021MB follow the common industry practice of being sold individually, but packaged in pairs.All Industrial Bearings Solutions Four point contact ball bearings come with a standard machined brass cage and will have an “M” suffix in their bearing numbers.Unless otherwise specified by the end user,Industrial Bearings Solutions will supply bearings with the popular 40 degree contact angle:“B” suffix.These types of Bearing QJF1021MB are found in vertical motor, pumps, and thrust application throughout industry. Industrial Bearings Solutions can manufacture industry standard and custom designs from 8”/200mm bore to 63”/1600mm bore.

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