INA W1/4-Online Bearing Service - Stock, Size, Weight• Bearingmodel.com

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Bearing Parameters

Availability	IN STOCK
Brand	INA
Model	W1/4	Thrust Ball Bearing Single Direction
Also known as
Inner (d) MM
Outer (D) MM
Width (B) MM
Weight (kg)	0.02
Technical details (2RS)
Inner (d) Inch	0.2500
Outer (D) Inch	0.8125
Width (B) Inch	0.3750
Description from Medias
Manufacturer Part Number (MPN)	W1/4
Bore
Seal
Cage Type	S - Steel or Standard Cage
External Modification
Radial Internal Play
Precision	Standard Precision
Heat Stabilization
Special Treatment

REVIEWS

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Name : Kenji Saito
From : Japan

Time : 2025/11/24 Review:★★★★★

We use a lot of NMB micro bearings. Supplier handled small qty orders with same priority as large ones, no minimum nonsense. That flexibility helped me win contracts with smaller clients.

---- Kenji Saito

Name : Anna Kowalczyk
From : Poland

Time : 2025/11/21 Review:★★★★★

Logistics notes were detailed which speeds up customs clearance — big plus.

---- Anna Kowalczyk

Name : David Harris
From : UK

Time : 2025/11/19 Review:★★★★★

Sold several boxes of mixed-brand wheel bearings KOYO to auto garages. Price margin is fair and the tech sheet helped our mechanics pick right cross-references.

---- David Harris

Name : Lisa Montgomery
From : Puerto Rico

Time : 2025/11/15 Review:★★★★★

As an industrial parts wholesaler, I need reliable lead-times. Supplier stocked TIMKEN and FAG lines and even helped with emergency air shipments for one key client — saved their production. After that, we placed quarterly blanket orders. Service impressed my purchasing team.

---- Lisa Montgomery

Name : Jason Turner
From : New Zealand

Time : 2025/11/13 Review:★★★★★

We handle exports to small Pacific islands; shipping is tricky. This company packed NSK bearings very securely and provided all export docs. No damage, no customs headache.

---- Jason Turner

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INA W1/4

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