45 mm x 68 mm x 22 mm KOYO NA4909 KOYO Bearing
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What is NA4909 bearing cross reference？
| Brand Name: |
KOYO |
| Model Number: |
NA4909 |
| Bearing number: |
81218 TN |
| Size (mm): |
135x90x35 |
| Bore Diameter (mm): |
135 |
| Outer Diameter (mm): |
90 |
| Width (mm): |
35 |
| d: |
90 mm |
| D: |
135 mm |
| H: |
35 mm |
| PDF |
NA4909 |
Product Details
| Bearing number |
81218 TN |
| Size (mm) |
135x90x35 |
| Bore Diameter (mm) |
135 |
| Outer Diameter (mm) |
90 |
| Width (mm) |
35 |
| d |
90 mm |
| D |
135 mm |
| H |
35 mm |
| d1 |
135 mm |
| D1 |
93 mm |
| B |
10.5 mm |
| r1,2 - min. |
1.1 mm |
| da - min. |
129 mm |
| Da - max. |
95 mm |
| ra - max. |
1.1 mm |
| Basic dynamic load rating - C |
232 kN |
| Basic static load rating - C0 |
865 kN |
| Fatigue load limit - Pu |
90 kN |
| Reference speed |
1000 r/min |
| Limiting speed |
2000 r/min |
| Category |
Thrust Roller Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
1.854 |
| Product Group |
B04144 |
| Rolling Element |
Cylindrical Roller Bearing |
| Self Aligning |
No |
| Component Description |
Roller Assembly plus Raceways |
| Thrust Bearing |
Yes |
| Single or Double Direction |
Single Direction |
| Banded |
No |
| Cage Material |
Polyamide |
| Precision Class |
ABEC 1 | ISO P0 |
| Other Features |
Single Row | Injection Molded Cage |
| Long Description |
90MM Bore 1; 93MM Bore 2; 135MM Outside Diameter; 35MM Height; Cylindrical Roller Bearing; Single Direction; Not Self Aligning; Not Banded; Polyamide Cage; ABEC 1 | ISO P0; Roller Assembly plus Racewa |
| Inch - Metric |
Metric |
| UNSPSC |
31171507 |
| Harmonized Tariff Code |
8482.50.00.00 |
| Noun |
Bearing |
| Keyword 3 |
Cylindrical |
| Keyword String |
Thrust Roller Cylindrical |
| Manufacturer Item Number |
81218 TN |
| Weight / LBS |
3.858 |
| Bore 2 |
3.661 Inch | 93 Millimeter |
| Bore 1 |
3.543 Inch | 90 Millimeter |
| Outside Diameter |
5.315 Inch | 135 Millimeter |
| Overall Height with Aligning Washer |
0 Inch | 0 Millimeter |
| Height |
1.378 Inch | 35 Millimeter |
| bore diameter: |
90 mm |
| maximum rpm: |
2000 rpm |
| outside diameter: |
135 mm |
| fillet radius: |
1.1 mm |
| overall width: |
35 mm |
| compatible washers: |
GS81218, WS81218 |
| thrust bearing type: |
Roller & Cage Assembly with Washers |
| housing washer inside diameter: |
93 mm |
| operating temperature range: |
Max 250 °F |
| washer width: |
10.5 mm |
| bearing material: |
Steel |
| series: |
812 |
| static load capacity: |
865 kN |
| manufacturer product page: |
Click here |
| cage material: |
Polyamide 66 |
| manufacturer upc number: |
7316570237863 |
| dynamic load capacity: |
232 kN |
| r1,2 min. |
1.1 mm |
| da min. |
129 mm |
| Da max. |
95 mm |
| ra max. |
1.1 mm |
| Basic dynamic load rating C |
232 kN |
| Basic static load rating C0 |
865 kN |
| Fatigue load limit Pu |
90 kN |
| Minimum axial load factor A |
0.0599 |
| Mass bearing |
1.77 kg |