| Weight | 0.030 lb |
|---|---|
| OEM | OEM P/N |
| Manufacturer | Part Number |
|---|---|
| KOYO | FNT-5578 |
| Bearing No. | FNT-5578 | |
| Boundary dimensions(mm) | Dc1 | 55 |
| Dc | 78 | |
| Dw | 3 | |
| Basic load ratings(kN) | Ca | 48.5 |
| C0a | 254.0 | |
| Fatigue load limit(kN) | Cu | 26.3 |
| Limiting speeds(min-1) | Oil lub. | 5300 |
| Boundary dimensions(mm) | Ea | 76.0 |
| Eb | 57.0 | |
| ra(max) | 0.6 | |
| (Refer.)Mass(kg) | 0.033 | |
| Washer dimensions(mm) | d | 55 |
| D,d1 | 78 | |
| D1 | 57 | |
| Thin | h1(mm) | 1.00 |
| Washer designation | AS5578 | |
| (Refer.)Mass(kg) | 0.018 | |
| Heavy (LS) | h(mm) | 5.00 |
| a(mm) | 1.00 | |
| Washer designation | LS5578 | |
| (Refer.)Mass(kg) | 0.0910 | |
| Heavy | h(mm) | 5.00 |
| rs(min) | 0.60 | |
| Washer designation Shaft piloted | WS.81111 | |
| Washer designation Housing piloted | GS.81111 | |
| (Refer.)Mass(kg) | 0.094 |
Width
3 mm
I.D.
55 mm
O.D.
78 mm
Bearing Design
Cage & Roller Assembly
Origin
Needle Roller & Cage
Static Load Rating [MAX]
52.9 lbf
Shaft Pilot Diameter [MAX]
55 mm
Dynamic Load Rating
9.36 lbf
Contact O.D.
76 mm
Self Aligning
No
Contact I.D.
57 mm
Matching Assembly
AS5578
Oil Hole
w/o Oil Hole
Diameter to Clear Assembly O.D.
79 in
Shaft Pilot Diameter [MIN]
54.88 in
Precision Ground
Yes
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