NSK AR204 insert bearing
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Y-bearing (insert bearing)
- Series
- AR
We reply promptly.
Tell us the quantity you need and request a quote by WhatsApp or email.
Other brands for this category
Ask us for alternatives. We check every equivalent against the part number and your application.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Description
NSK AR204 belongs to insert bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for AR204 and any equivalents.
The NSK AR series is a ball insert bearing built with an extended inner ring and a locking system, made to sit inside split or solid housings. It suits rotating shafts that call for support, alignment and straightforward installation. MR Industrial Accessories LLC supplies this line to plants and workshops across the United States, Canada, Mexico and South America.
Reading the code helps you order the right piece. The base number sets the size, and a numeric suffix, when present, points to a sealing or dimensional variant. Base sizes include AR201, AR202 and AR203; executions such as AR201-008, AR202-009 and AR203-011 carry a suffix for a specific version. Before choosing, have the shaft diameter and the housing type at hand. If the number is unclear, send the full designation and the team will quote it.
Typical duty covers conveyors, belts, elevators, mixers, fans and agricultural machinery. Because the bearing mounts in split housings, replacement and alignment stay simple on equipment with long shafts or points that are hard to reach.
Selection comes down to three points: shaft diameter, locking method (set screw, eccentric or adapter) and the sealing needed for the surroundings, whether dust, moisture or washdowns. During mounting, clean the shaft and housing, apply lubricant and tighten the set screws with the correct wrench. Alignment and lubrication at regular intervals support service life. On equipment that runs with vibration, recheck that the set screws remain tight.
NSK AR series insert bearings interchange with other brands that share the same dimensional standard. Bring an unidentified part or another maker's number and the team will identify the matching equivalent. The brand does not have to match; shaft diameter and locking type are what count.
To request a quote, send the complete part number by WhatsApp or email. Without it, a shaft measurement and a photo of the housing are enough. The team replies promptly and can also suggest equivalents and help with the selection.
Dimensions
- Bore
- 20 mm
Frequently asked questions
- What does the suffix mean in a part number such as AR201-008?
- The numeric suffix marks a variant of the base size, usually tied to the shaft diameter or the sealing type. Send the complete part number and the team will quote the correct part.
- How do I choose the insert bearing for my equipment?
- You need the shaft diameter, the locking type and the working environment. With that data the team will point you to the corresponding NSK AR series part number. An old part number or a sample also works.
- Are NSK AR series insert bearings compatible with other brands?
- In general they follow dimensional standards that allow interchangeability between brands. Send another brand's part number or the shaft measurements and the team will quote the NSK equivalent or the best-fitting alternative.