Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Lubrication Enhancement
W33 - Lubrication Groove and 3 Holes
Seal
No Seal
Cage Type
S - Steel or Standard Cage
Radial Internal Play
Cn Normal Internal Play
Precision
W6 - Solid Oil Filling
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Vibrating Screen Execution
Non Vibrating Screen Execution
Suffix description
Ed ≤65mm, Two Window-Type Steel Cages, Flangeless Inner Ring And Guide Centered On The Inner Ring. When d >65 mm Same As <65mm But Guide Ring Centered On The Cages
KTapered Bore, Taper 1:12
W64Solid Oil Filling
Product description
The 21309EK/W64 SKF is a spherical roller bearing with an open design. This bearing type has a solid inner ring, which runs on two rows of symmetrical rollers in a solid outer ring. The outer ring has a concave, spherical raceway. This design compensates for any alignment errors and shaft deflections. Spherical roller bearings can withstand particularly high radial loads. Additionally, they can accommodate axial forces in both directions. These bearings are used in elevators, textile machines, food processing machines, cranes etc.
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