Pay in installments of $26.49 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
For Your Every Summer RSVP, with Code: SUMMER15
Description
QJ211-MPA-FAG Four Point Contact Ball Bearing 55x100x21mmFAG Four point contact bearings are similar in their structure to double row angular contact ball bearings, but are considerably narrower in an axial direction due to only one raceway groove. Since the centres of curvature of the arc shaped raceways on the inner ring and outer ring are offset relative to each other, the balls are in contact with the bearing rings at four points under radial load. For this reason, four point contact bearings are only

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 509 reviews
Sort
Product Reviews
★★★★★ 5
Came as described
My order came exactly as described and in a very timely fashion. Very pleased with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
★★★★★ 4
Genuine parts that keep my S1 Pro running like new
Fit & Quality:
Everything fit perfectly on my Eufy Omni S1 Pro — the rollers snapped right in, and the filters matched the originals exactly. You can tell these are genuine Eufy parts, not knockoffs.
Performance:
After swapping the brushes and mop roller, my vacuum immediately started cleaning better again. Suction improved, and it picked up fine dust I hadn’t noticed before.
Ease of Use:
Installation took less than ten minutes. Everything comes sealed and labeled clearly, which makes it simple to replace parts without guessing.
Value:
It’s a little pricey compared to third-party kits, but the quality and compatibility are worth the extra few bucks.
Verdict:
Solid replacement set that restores performance to like-new.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2025
★★★★★ 5
Great aftermarket substitute items
Great quality and fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2024
★★★★★ 5
Must have along with the Eufy S1 Pro...
A very nice addition to an already great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2025
★★★★★ 5
Good quality
Good quality replacement parts
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2024




