LFR5201-14 KDD, LFR5201-14 NPP Track Rollers categorized as double-row, double sealed / shielded, radial, deep groove ball bearings, and closed with rubber seals(NPP) or metal shields(KDD) to protect the bearing from dust or any possible contamination, lubricated with grease as well.
Name: Track Rollers, Guide Rollers, Guide Way Bearings
Item: LFR5201-14 KDD, LFR5201-14 NPP
Type: Double-sealed NPP / Double-shielded KDD
Size: 14 mm x 12 mm x 40 mm x 18 mm x 20 mm x 24 mm
Shaft Diameter (dw): 14 mm
Bore Diameter (d): 12 mm
Outer Diameter (D): 40 mm
Outer Ring Width (C): 18 mm
Inner Ring Width (B): 20 mm
Center Diameter (A): 24 mm
Radial Play: C0 / C2 / C3
Rings/Balls Material: Chrome steel 100Cr6
Cage Material: Nylon(PA66+25%GF)
Seal Materil: NBR+SPCC
Shield Material: SPCC
Lubrication: Chevron SRI grease with 30% to 40% filled
Bearing Brand: Neutral
Special Note: Outer ring with Gothic Arch Raceway, not circular raceway