| Weight | 0.598 lb |
|---|---|
| OEM | OEM P/N |
| Manufacturer | Part Number |
|---|---|
| KOYO | NA4909 |
| Bearing No. | NA4909 | |
|---|---|---|
| Boundary dimensions(mm) | d | 45 |
| D | 68 | |
| B | 22 | |
| r(min) | 0.6 | |
| Basic load ratings(kN) | Cr | 33.2 |
| C0r | 61.9 | |
| Limiting speed(min-1) | Oil lub. | 9000 |
| Mounting dimensions(mm) | da(min) | 49 |
| Da(max) | 64 | |
| ra(max) | 0.6 | |
| (Refer.)Mass(kg) | 0.294 |
Width
22 mm
I.D.
45 mm
O.D.
68 mm
Bearing Design
Removable Inner Ring Straight
Origin
Needle Radial
Self Aligning
No
Oil Hole
w/Oil Hole
Limiting Speed - Oil
8400 rpm
Inner Ring O.D.
52 mm
Precision Ground
Yes
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