
NTN FD211TTRMN/3AS flange mounted bearing
- Brand
- NTN
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
- Series
- BCA® FLANGED DISC UNIT SERIES
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Description
NTN FD211TTRMN/3AS belongs to flange mounted bearing, part of our Bearing housings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for FD211TTRMN/3AS and any equivalents.
The NTN Y-bearing flange unit pairs an insert bearing with a cast iron or stamped steel housing. It mounts on a flat surface and supports rotating shafts where quick installation and straightforward alignment matter, such as on conveyors, fans, or mixers. MR Industrial Accessories supplies this line and helps you match the right configuration to your equipment.
The part number breaks down into useful blocks. The prefix FD tells you it is a flange unit with a disc. The number that follows, as in FD209TTRMN/3AS or FD211TTRMN/3AS, corresponds to the insert bearing size. TTRMN covers the insert type and its sealing arrangement, and /3AS marks a particular design variant. Reading these suffixes correctly lets you order either the complete unit or the exact replacement insert.
You will find these units in food processing, chemical, textile, and transport operations. Typical equipment includes belt conveyors, bucket elevators, agitators, blowers, and machine tools. The flange pattern simplifies mounting onto sheet metal or structural frames, and set screws in the insert secure the shaft quickly. MR Industrial Accessories quotes from the part number you provide to keep your line running.
Selection comes down to three basics: shaft diameter, load type, and the surrounding environment. The insert seal determines how well the unit handles dust and moisture, so if washdowns are frequent, pick a design with an appropriate seal. Factory lubrication can be supplemented with periodic greasing based on the duty cycle. Confirm alignment between housing and shaft to avoid extra stresses and to help the bearing reach its expected service life.
Insert-bearing flange units from different brands can often be swapped when the critical dimensions line up: shaft diameter, hole spacing, and disc diameter. When replacing a unit, compare those values against the original part or ask our technical team. The original manufacturer's designation usually points to an equivalent, but validating dimensions before mounting is always the safer route.
To request a quote for an NTN Y-bearing flange unit, send the complete part number on WhatsApp, for example FD209TTRMN/3AS or FD211TTRMN/3AS. A photo of the part or the shaft and housing dimensions also works. MR Industrial Accessories responds promptly with the quote and the technical details you need.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the designation FD209TTRMN/3AS mean?
- FD indicates a flange unit with a disc; 209 refers to the insert bearing size; TTRMN describes the insert type and sealing; /3AS is a design variant. This part number identifies a complete NTN unit for a given shaft size.
- How do I choose between a flange unit and a pillow block unit?
- A flange unit mounts on a flat surface with holes, while a pillow block unit rests on a base. The choice depends on the equipment design and the space available. If you are unsure, send us a photo and we will advise you.
- What should I check before replacing a unit?
- Check the shaft diameter, the mounting hole spacing, and the disc diameter. Also inspect the shaft condition and the alignment. With that data, we can quote the equivalent NTN unit or the one that best fits your needs.

