We introduce you to the NTN 21317 CCK models bearing the relevant parameters, including the model, size, drawings and other models of the same size, if you have any do not understand or want to learn more parameters or would like to inquire about NTN 21317 CCK, please contact us:
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| NTN 21317 CCK Bearing Details： |
| Bearing Name | 21317 CCK |
| New Model | 21317CCK |
| Old Model | 53317 bearing |
| product Model | 21317CCK |
| Category | Spherical Roller Bearings |
| Brand | NTN Bearing |
| Inner Diameter d ( mm ) | 85 |
| Outer Diameter D ( mm ) | 180 |
| Thickness B ( mm ) | 41 |
|
| NTN 21317 CCK Bearing Bearing Size and Drawing： |
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NTN 21317 CCK Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| NSK NUP 317 Bearing | 85 | 180 | 41 | NSK | Cylindrical Roller Bearings |
| KOYO 30317 Bearing | 85 | 180 | 41 | KOYO | Tapered Roller Bearings |
| TBS 7317BEGAP* Bearing | 85 | 180 | 41 | TBS | Angular Contact Ball Bearings |
| TBS NJ 317 ECP Bearing | 85 | 180 | 41 | TBS | Cylindrical Roller Bearings |
| STEYR 1317 Bearing | 85 | 180 | 41 | STEYR | Self-aligning Ball Bearings |
| KOYO 21317RH Bearing | 85 | 180 | 41 | KOYO | Spherical Roller Bearings |
| NACHI NJ 317 Bearing | 85 | 180 | 41 | NACHI | Cylindrical Roller Bearings |
| NTN NJ317E Bearing | 85 | 180 | 41 | NTN | Cylindrical Roller Bearings |
| TBS 1317 Bearing | 85 | 180 | 41 | TBS | Self-aligning Ball Bearings |
| KOYO 21317RHK Bearing | 85 | 180 | 41 | KOYO | Spherical Roller Bearings |
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What are the structural components and design advantages of spherical roller bearings?
Spherical roller bearings consist of an inner ring, an outer ring, spherical rollers, and a cage. The inner ring has two raceways, and the outer ring has a spherical raceway. The rollers have a drum-shaped design, providing self-aligning capability, effectively compensating for misalignment between the shaft and the housing bore, as well as shaft deflection. They also offer extremely high load-bearing capacity, shock resistance, and vibration resistance.
What are the advantages compared to other similar bearings?
Compared to self-aligning ball bearings, spherical roller bearings have significantly higher radial and axial load-bearing capacity, making them suitable for heavy-duty applications. Compared to cylindrical roller bearings, they have self-aligning capabilities, accommodating installation errors and shaft deformation. Compared to tapered roller bearings, their self-aligning performance is superior, making them more suitable for long shafts or applications with high flexibility.
What are the applicable occasions and typical applications?
These bearings are suitable for heavy-duty machinery applications involving heavy loads, vibration, shock, or misalignment. Typical applications include mining conveying equipment, wind turbine main shafts, paper calenders, large speed reducers, vibrating screens, ship propulsion systems, and metallurgical rolling mills.
