Model: R10 ZZ
Quantity per Package: 4 Pcs
Material: 100% Chrome Steel 
Protection: Metal Shield on both sides
Greased / Lubricated: Yes 
Bore (Inner) Diameter: 5/8" 
Outer Diameter: 1-3/8"
Width (Thickness): 0.3438"
 
Supported Revolutions per Minute (RPM): 21,000
Dynamic Load Rating: 4605 N
Static Load Rating: 2774 N

PGN's R10z (5/8"x1-3/8"x0.3438") is a single-row bearing that supports radial loads, made with Chromium Steel providing superior quality and durability. It comes pre-lubricated and shielded to keep the lubricant in and contaminants, dirt and debris out.