NNU4988 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4988 |
| d: |
2.0000 in |
| radial dynamic load capacity:: |
9752 lb |
| D: |
3.9370 in |
| bearing material:: |
52100/Black Oxide |
| outer ring width:: |
1.1875 in |
| cage material:: |
Brass |
| inner ring width:: |
2.1875 in |
| finish/coating:: |
Black Oxide |
| PDF |
NNU4988 |
Product Details
| d |
2.0000 in |
| radial dynamic load capacity: |
9752 lb |
| D |
3.9370 in |
| bearing material: |
52100/Black Oxide |
| outer ring width: |
1.1875 in |
| cage material: |
Brass |
| inner ring width: |
2.1875 in |
| finish/coating: |
Black Oxide |
| bore type: |
Round |
| seal type: |
Felt |
| locking device: |
Set Screw Collar |
| expansion type: |
Non-Expansion Bearing (Fixed) |
| duty type: |
Standard Duty |
| series: |
ER |
| B |
2.1875 in |
| manufacturer catalog number: |
705090 |
| operating temperature range: |
250° |