SKU: 55575437980

FSA - HEADSET BEARINGS ACB 870S 45X45 11/8" Stainless Steel - 41.8mm OD

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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

FSA - HEADSET BEARINGS ACB 870S 45X45 11/8" Stainless Steel - 41.8mm ODPlease check precise measurements against the below to determine the correct size. SPECIFICATIONS STEERER DIAMETER: 1 1 8" OUTER DIAMETER: 41. 8mm INNER DIAMETER: 30. 5mm HEIGHT: 8mm CHAMFER ANGLES: 45 45 TH 870S Stainless balls and races TH 870E Chrome steel balls and races TH 870R Alloy outer race, chrome steel balls and inner race Also known as part code MR 155. Black Bearing equivalent is bearing B7

Please check precise measurements against the below to determine the correct size.


SPECIFICATIONS


STEERER DIAMETER: 1-1/8"
OUTER DIAMETER:
 41.8mm
INNER DIAMETER: 30.5mm
HEIGHT: 8mm
CHAMFER ANGLES: 45°/45°


TH-870S
Stainless balls and races


TH-870E
Chrome steel balls and races


TH-870R
Alloy outer race, chrome steel balls and inner race


Also known as part code MR-155. Black Bearing equivalent is bearing B7



    


 

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SKU: 55575437980

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4.8 ★★★★★
Based on 8 reviews
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Verified Purchase
judith stevens
Los Angeles, US
★★★★★ 1
Some of the components are plastic
This is not a heavy duty application what so ever . One of the flanges broke . We do not recommend this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2024
K
Verified Purchase
Kimberly matthews
Dallas, US
★★★★★ 2
Quality control lacking
One tee conector was missing. Nothing avaliable locally that fits.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
A
Verified Purchase
Alexandra
Waukegan, US
★★★★★ 1
It doesn’t stay in
The pipe keeps coming out. Not worth the money. Not sturdy to hold a top table.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2024
E
Verified Purchase
Eric
West Palm Beach, US
★★★★★ 2
Good finish, poor hardware.
Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.
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Reviewed in the United States on February 26, 2024
C
Verified Purchase
Carl L. Bradley
West Palm Beach, US
★★★★★ 1
Kinda flimsy…
Thought the assembly was metal, it’s some kind of PVC.
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Reviewed in the United States on September 22, 2025

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