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173110 2RS Deep Groove Ball Bearing 17×31×10 mm — double rubber contact seals prevent dust and moisture ingress, ensuring extended lubrication life in demanding environments.
Unified multi-brand sourcing — consolidate your mixed SKF, FAG, and NSK requirements for 17x31x10mm motor spares into a single authorized shipment without juggling fragmented vendors.
| Parameter | Value |
|---|---|
| Designation | 173110 2RS |
| Bearing Type | Deep Groove Ball Bearing |
| Bore Diameter (d) | 17 mm |
| Outside Diameter (D) | 31 mm |
| Width (B) | 10 mm |
| Seal or Shield Type | Double rubber contact seals (2RS) |
| Quality Level | Z1V1, Z2V2, Z3V3, Z4V4 |
| Industry | Typical Applications |
|---|---|
| Electric Motors | Rotor shaft support in high-dust industrial drive motors |
| Pumps | Impeller shaft alignment in centrifugal water circulation pumps |
| Gearboxes | High-speed intermediate shafts in industrial reduction gearboxes |
Contaminant exclusion, not just load capacity, dictates the operational lifespan in dirty environments.
During my years on the workshop floor in Ningbo, I repeatedly dismantled motors where the bearings failed prematurely. The root cause was rarely metal fatigue; instead, it was abrasive dust bypassing inadequate seals, turning the internal grease into a grinding paste. Sourcing a genuine 173110 2RS deep groove ball bearing ensures the double rubber contact seals maintain their lip pressure against the inner ring, preventing the microscopic particle ingress that triggers early spalling . Relying on visually similar but dimensionally compromised counterfeits with soft inner rings guarantees seal lip failure under thermal cycling.
When replacing original equipment components, matching the base number is only the first step. We verify that the cross-reference aligns not just with the 17x31x10mm physical envelope, but also with the specific internal geometry and sealing configuration required by your machinery. This prevents the all-too-common scenario where an open or shielded variant is mistakenly installed in a washdown or high-particulate zone.
Radial loads in small electric motors are generally moderate, but the high rotational speeds generate significant frictional heat at the seal lip. If the operating temperature rises excessively, standard lubricants degrade, and the rubber sealing material can harden and lose its flexibility. Maintaining the correct interference fit between the 2RS lip and the inner ring shoulder is critical to block moisture and airborne debris without generating excessive drag .
The 2RS suffix explicitly designates double-sided rubber contact seals, providing superior exclusion of solid contaminants and moisture compared to non-contact metal shields. Beyond the sealing arrangement, the Z1V1 through Z4V4 quality levels define the strictness of the vibration and acoustic noise limits. Selecting a Z3V3 or Z4V4 grade is essential for precision spindle applications or quiet-running household appliances, whereas a Z1V1 grade suffices for heavy-duty industrial gearboxes where ambient noise masks bearing acoustics.
Installing a bearing with an incorrect clearance or mismatched seal type inevitably leads to unplanned downtime. A shielded bearing used in a wet environment will suffer rapid corrosion, while an overly tight clearance in a high-speed motor causes thermal binding and catastrophic cage failure. These premature failures void equipment warranties and escalate maintenance expenses far beyond the initial component savings .
We eliminate the risk of receiving counterfeit batches with cloned QR codes by providing direct access to manufacturer verification apps for every 173110 2RS unit shipped. Our technical team actively reviews your cross-reference requests to ensure the replacement matches the exact seal friction and clearance requirements of your application, rather than just supplying a generic base number. Furthermore, we supply complete material test reports and dimensional inspection data, proving the inner ring hardness meets specification to prevent the seal lip wear associated with soft counterfeit steel.
To ensure optimal performance, share your specific radial and axial load profiles, operating speeds, and ambient temperature ranges with our engineering team. We will utilize these parameters to conduct a thorough L10 life calculation and confirm whether the standard clearance or a C3 variant is necessary for your thermal expansion conditions. If you are replacing an existing component, provide the OEM equipment number so we can execute a precise cross-reference verification.
Q: How can I verify the authenticity of the 173110 2RS bearings upon delivery?
A: Every shipment includes batch traceability documents and unique QR codes. You can scan these codes using the official mobile applications provided by the bearing manufacturers. This direct digital verification confirms the genuine origin of the steel and seals, completely bypassing the risk of accepting counterfeits with cloned visual markers.
Q: Why is it critical to check the clearance suffix when cross-referencing this model?
A: Matching the base 17x31x10mm dimension is insufficient because thermal expansion in high-speed motors requires specific internal clearances. If a standard clearance bearing is installed where a C3 was specified, the heat generated at operating speed will eliminate the internal gap, leading to thermal binding, excessive friction, and rapid seizure of the rolling elements.
Q: What distinguishes the Z1V1 from the Z4V4 quality levels in motor applications?
A: These designations classify the strictness of the vibration and acoustic noise limits during manufacturing. While Z1V1 is perfectly adequate for general industrial gearboxes, the Z4V4 grade undergoes rigorous sorting to ensure minimal vibration, making it mandatory for precision equipment, medical devices, and quiet-running household appliances where operational noise is a primary concern.
Q: Where is the operational boundary between 2RS rubber seals and 2Z metal shields?
A: Rubber contact seals provide superior protection against fine dust and moisture ingress due to their tight lip interference, making them ideal for dirty or damp environments. Metal shields offer lower friction and are better suited for high-speed, clean applications where minimizing drag and heat generation is more critical than excluding heavy external contamination.
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