Radial Internal Play
Lower Half of Normal Clearance
Precision
BR - Black Finishing
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
EIncreased Load Capacity
TBIn The Case Of Bearings Of TB Design, The Axial Load Carrying Capacity Of Cylindrical Roller Bearings Was Significantly Improved With The Aid Of New Calculation And Manufacturing Methods. Optimum Contact Conditions Between The Roller And Rib Are Ensured By Means Of A Special Curvature Of The Roller End Faces. As A Result, The Axial Contact Pressures On The Rib Are Significantly Minimised And A Lubricant Film Capable Of Supporting Higher Loads Is Formed. Under Normal Operating Conditions, Wear And Fatigue At The Rib Contact Running And Roller End Faces Is Completely Eliminated. In Addition, Axial Frictional Torque Is Reduced By Up To 50%. The Bearing Temperature During Operation Is Therefore Significantly Lower
BRBlack Finished, Factory-Applied Durotect® B Black-Oxide Coating. Durotect B Improves Run-In Behavior And Energy Efficiency While Reducing Surface-Induced Damage To The Bearing, Burnished Race
IR/TGrooves In Inner Ring Are On The Side Of The Circlip
CN/3L
CNNormal Radial Internal Clearance. +
/3LClearance Range Corresponding To The Lower Half Of The Actual Clearance Range
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