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| Place of Origin: | Japan |
| Brand Name: | KOYO |
| Certification: | ISO 9001 2000 |
| Model Number: | STD4183 |
The KOYO STD4183 is an automotive tapered roller bearing designed for differential and pinion applications. Its tapered roller construction supports combined radial and axial loads, providing reliable load distribution, smooth rotation, and durability under demanding driving conditions. It is suitable for automotive drivetrain assemblies requiring stable and dependable performance.
| Bearing Model | STD4183 |
| Bearing Type | Single-Row Tapered Roller Bearing |
| Cone Part Number | STD4183 |
| Cup Part Number | STD4183 |
| Bore Diameter (d) | 41.275 mm |
| Outside Diameter (D) | 82.55 mm |
| Total Width (T) | 18/25 mm |
| Cage Material | Stamped Steel |
| Bearing Design | Inch Series, Separable Cone and Cup |
Handles combined radial and axial loads.
High load-carrying capacity and durability.
Precision tapered roller design for smooth operation.
Suitable for automotive differential and pinion assemblies.
Designed for reliable performance under heavy-duty operating conditions.
| Metric Bearing No. | d (mm) | D (mm) | T (mm) | B (mm) | C (mm) | R (mm) | r (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 33012 | 60.000 | 95.000 | 27.000 | 26.000 | 21.000 | 1.5 | 1.5 | 0.666 |
| 33013 | 65.000 | 100.000 | 27.000 | 27.000 | 21.000 | 1.5 | 1.5 | 0.740 |
| 33016 | 80.000 | 125.000 | 36.000 | 36.000 | 29.500 | 1.5 | 1.5 | 1.615 |
| 33019 | 95.000 | 145.000 | 39.000 | 39.000 | 32.500 | 2.0 | 2.0 | 2.260 |
| 33021 | 105.000 | 160.000 | 43.000 | 43.000 | 34.000 | 2.5 | 2.0 | 2.980 |
| 33108 | 40.000 | 75.000 | 26.000 | 26.000 | 20.500 | 1.5 | 1.5 | 0.484 |
| 33109 | 45.000 | 80.000 | 26.000 | 26.000 | 20.500 | 1.5 | 1.5 | 0.536 |
| 33110 | 50.000 | 85.000 | 26.000 | 26.000 | 20.000 | 1.5 | 1.5 | 0.595 |
| 33113 | 65.000 | 110.000 | 34.000 | 34.000 | 26.500 | 1.5 | 1.5 | 1.300 |
| 33116 | 80.000 | 130.000 | 37.000 | 37.000 | 29.000 | 2.0 | 1.5 | 1.864 |
| 33118 | 90.000 | 150.000 | 45.000 | 45.000 | 35.000 | 2.5 | 2.0 | 3.130 |
For purchasing STD4183 taper roller bearings, contact our professional team:
Email: sales@transmission-chain.com
WhatsApp: 008615006175975
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