Medias description
Angular contact ball bearings 33..-BD-2HRS, main dimensions to DIN 628-3, double row, lip seals on both sides, contact angle a = 30°
Suffix description
BDModified Internal Construction, Contact Angle α=30°, Without Filling Slot
XLX-Life
2HRSLip Seals On Both Sides Made From Nitrile Butadiene Rubber, These Designs Are Lubricated For Life Using A High Quality Grease And Are Suitable For Moderate Speeds. The Frictional Torque And Heat Generation Are Lower Than With The Previous RSR Seal
TVHMoulded Polyamide Cage Snap-Type, Rolling Element Riding
The 3311-BD-XL-2HRS-TVH FAG is a double row angular contact ball bearing with solid inner- and outer rings. The design of this bearing type resembles two single row angular contact ball bearings in O-arrangement but is slightly narrower. Also, the contact angle and the design of the bearing rings are different. double row angular contact ball bearings can support high radial forces and axial forces in both directions. The greater the contact angle, the greater the axial load capacity of the bearing.
The 3311-BD-XL-2HRS-TVH FAG is an X-life bearing. X-life bearings with their special internal construction provide greater performance than normal angular contact ball bearings. Contact surfaces, steel grade and rolling bodies are of a higher quality. X-life bearings combine a higher load capacity with a longer service life. The bearings generate less heat and higher speeds are possible. Finally, X-life bearings have a longer maintenance interval than normal angular contact ball bearings.
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