Model: R4 2RS 
Quantity per Package: 10 Pcs
Material: 100% Chrome Steel 
Protection: Rubber Seal on both sides 
Greased / Lubricated: Yes 
Bore (Inner) Diameter: 1/4" 
Outer Diameter: 5/8"
Width (Thickness): 0.196"
 
Supported Revolutions per Minute (RPM): 38,000
Dynamic Load Rating: 1489 N
Static Load Rating: 618 N

PGN's R4z (1/4"x5/8"x0.196") 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.