7312B-MP-UA High Precision Contact Ball Bearing

Single row angular contact ball bearings are self-retaining units with solid inner and outer rings and ball and cage assemblies with polyamide, sheet metal or brass cages. The raceways of the inner and outer rings are offset from each other along the bearing axis. The bearings are available in open and sealed designs. Their angular adjustment facility is very limited.

B  : Modified internal construction
JP : Sheet steel cage
MP :Solid brass cage
DB : Two angular contact ball bearings in O arrangement, matched clearance-free
DF:Two angular contact ball bearings in X arrangement, matched clearance-free
DT :Two angular contact ball bearings in tandem arrangement, matched
TVH / TVP : Solid cage made from glass fibre reinforced polyamide
UA :Universal design for fitting in pairs, bearing pair has small axial internal clearance in O and X arrangement
UL: Universal design for fitting in pairs, bearing pair has slight preload in O and X arrangement
UO: Universal design for fitting in pairs, bearing pair is clearance-free in O and X arrangement
2RS :Contact seals on both sides

Open angular contact ball bearings can be used at operating temperatures from –30 °C to +150 °C. Bearings with a diameter D ＞ 240 mm are dimensionally stable up to +200 °C.
   
Angular contact ball bearings with cages made from glass fibre reinforced polyamide are suitable for operating temperatures up to +120 °C, restricted by the cage material.

Sealed bearings are suitable for operating temperatures from –30 °C to +110 °C, restricted by the lubricant and the seal material.

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