(dimensions in inches)
Bearing Type - Full Complement
Dynamic Load Rating (Cr) - 1,980
Static Load Rating (Cor) - 3,700
Max Speed (Grease) (X1000 RPM) - 5,000
Tire Outer Dia. (Dt) - 1.125
Stud Dia. (ds) - 0.438
Tire Width (C) - 0.625
Tire Washer Width (C1) - 0.031
Total Length (B) - 1.654
Stud Length (B1) - 1.000
Threads (G) - 7/16-20 UNF
Thread Length (G1) - 0.5
Weight (g) - 88.00
Material - Stud and Roller head: Hardened carbon steel alloy, Needle rollers - 52100 Chrome steel or equivalent
Standard finish is black oxide.
The stud has a screwdriver slot or hexagonal hole for mounting.
Some sizes are available with crowned outer race tires.
Some sizes are available with integral seals.
The load rating is based on a track hardness of HRc40 minimum.
The stud has an axially drilled hole for lubrication.
Hot number:KOYO 7019 AC/DB RHP QJ 203 Kingon MR104ZZ NSK 22211EAKE4 SKF 22272CA/W33 KOYO 23048RK Timken 25590/25526 KOYO 7328C IKO GBR 202820 U Timken HM252343/HM252310 SKF 477209-111 SKF 19236 MRC 8326 SKF 7311 BECBJ NOK SB 540 590 25 NBR