Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Round-flanged type with spigot joint | |
| Bore diameter | d | 50 mm |
| Width | B | 55.6 mm |
| Basic dynamic load rating | C | 43.4 kN |
| Basic static load rating | C0 | 29.4 kN |
| Fatigue load limit | Pu | 1.34 kN |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 100-050-000 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Ball bearing units - Round-flanged type with spigot joint | |
| Official Classification 1 | Ball bearing units / Round-flanged type with spigot joint |
Technical Data18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 50 mm | |
| L | 162 mm | |
| H3 | 118 mm | |
| J | 136 mm | |
| J1 | 96.2 mm | |
| A1 | 25 mm | |
| A2 | 7 mm | |
| A3 | 16 mm | |
| A4 | 40.4 mm | |
| N | 14 mm | |
| B | 55.6 mm | |
| S | 22.2 mm | |
| Bolt Size | M12 | |
| Basic Load Ratings : Cr | 43.4 kN | |
| Basic Load Ratings : C0R | 29.4 kN | |
| Fatigue Load Limit : Cu | 1.34 kN | |
| Factor : F0 | 14.4 | |
| Nipple Size | R1/8 |

