How do you express the life of bearing?

3. Load Rating and Life - NTNspeeds, the basic rating life (90% reliability) is expressed in the total number of hours of operation. Basic dynamic load rating expresses a rolling bearing's 

Bearing Life Calculation - Bearing Loads & Speeds | AmericanThe bearing Dynamic Capacity, C, is defined as the constant stationary radial load which a rolling bearing can theoretically endure for a basic rating life of one 1 Bearing Life and Load RatingA given static radial load under which a bearing theoretically endures basic rating life of one million rotations is referred to as a basic dynamic load rating. 1-4 

How do you express the life of bearings? | Mechanical EnggThe life of an individual bearing is defined as the total number of revolutions (or the number of hours at a given constant speed) which the bearing can complete 

Calculation of service life | Basic Bearing Knowledge | KoyoIt is convenient to express the basic rating life in terms of time, using equation (5-2), when a bearing is used for operation at a constant speed; and, in terms of The Basics of Bearing Life - NES Bearing Co., IncThe Basics of Bearing Life. An alarming amount of bearing failures are due to debris that has found its way into the bearing from improper care before, during, 

Bearing service life and selection - Precision RPM IncThe basic rating life in relation to the basic dynamic load rating and dynamic equivalent load can be expressed using equation (3-1). It is convenient to express the How to Determine Bearing System Life - Machinery LubricationWhen the topic of rolling bearing life arises, engineers often ask questions such as: “What do you mean by rolling bearing life?” “How do you know when you 

The Meaning of Bearing Life | Machine DesignFor bearings run at constant speed, it may be more convenient to express the basic rating life in operating hours: L10h = (1,000,000/60)nL10 where n Important Bearing Terminology: Bearing Life Basic Static Load10 life. L-10 life is the life that 90% of all the bearings exposed to the exact same must be able to express the actual loading on the bearing in terms that