Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Heavy-duty needle roller bearings / Inch series, caged, without inner ring | |
| Outside diameter | D | 55.563 mm |
| Basic dynamic load rating | C | 48.5 kN |
| Basic static load rating | C0 | 76.5 kN |
| Fatigue load limit | Pu | 12.1 kN |
| Limiting speed | nG | 7000 r/min |
| Mass | ≈m | 0.163 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-030-020 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Heavy-duty needle roller bearings - Inch series, caged, without inner ring | |
| Official Classification 1 | Needle roller bearings / Heavy-duty needle roller bearings / Inch series, caged, without inner ring |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fw | 41.275 mm | |
| D | 55.563 D | |
| C(B) | 25.400 mm | |
| R(Min.) | 1.52 mm | |
| Used With Inner Ring No. | IR-212616 | |
| Basic Load Ratings : Cr | 48.5 kN | |
| Basic Load Ratings : C0R | 76.5 kN | |
| Fatigue Load Limit : Cu | 12.1 kN | |
| Limiting Speeds(Grease Lub.) | 7000 min-1 | |
| Limiting Speeds(Oil Lub.) | 11000 min-1 | |
| (Refer.)Mass | 0.163 kg | |
| Recommended Dimensions Clearance Fit : S(Max.) | 41.275 mm | |
| Recommended Dimensions Clearance Fit : S(Min.) | 41.260 mm | |
| Recommended Dimensions Clearance Fit : H(Max.) | 55.593 mm | |
| Recommended Dimensions Clearance Fit H(Min.) | 55.563 mm | |
| Recommended Dimensions Tight Transition Fit : S(Max.) | 41.250 mm | |
| Recommended Dimensions Tight Transition Fit : S(Min.) | 41.234 mm | |
| Recommended Dimensions Tight Transition Fit : H(Max.) | 55.555 mm | |
| Recommended Dimensions Tight Transition Fit : H(Min.) | 55.524 mm | |
| Shoulder Dia. : Da | 50.80 | |
| Mass(Refer.) | 0.163 kg |
