
| Part Number | Outer Bearing Race A | Flange Diameter B | Thickness C | Bolt Hole Spacing D | Mounting Bolt Size E | Availability | |
|---|---|---|---|---|---|---|---|
|   | BH528 | 52MM | 3-1/2" | .80" | 3" BOLT HOLE CIRCLE | 5/16" | STOCKING | 
|   | BH52RB | 52MM | 3-1/2" | 1-1/4" | 2-3/4" BOLT HOLE CIRCLE | 3/8-16NC TAPPED | MADE TO ORDER |