# NTN UCPX11-203D1 Heavy-Duty 2-Bolt Pillow Block Bearing - 2-3/16 in (55.6 mm) Bore, Set Screw Lock, Cast Iron Housing - MROSupply.com ***NTN UCPX11-203D1 is a heavy-duty 2-bolt pillow block bearing unit with a 2-3/16 in (55.6 mm) bore. The cast iron housing features a set screw locking mechanism for secure shaft mounting. Designed for high-load industrial applications such as conveyors, fans, and material handling equipment.*** ## Product details: - Catalog number: UCPX11-203D1 - SKU: 269426 - Price: ***$577.69*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/) - Category: - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/) - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/) - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/) - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/) - [Bearings](htts://www.mrosupply.com/bearings/) - Unit of measure: each - Weight: 12.100 lb ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - A (in): 3.1250 - B (in): 2.5630 - Bearing Number: UCX11-203D1 - Bearing number: UCX11-203D1 - Bearing Type: Ball Bearing - d (in): 2.1875 - Dynamic Load Rating: 11800 lbf - Dynamic load rating: 11800 lbf - End Type: Open - End type: Open - F (in): 0.2441 - H (in): 2.7500 - H1: 1.1875 in - H2: 5.4062 in - Housing Construction: 1 Piece - Housing construction: 1 Piece - Housing Material: Cast Iron - Housing material: Cast iron - Housing Number: PX11D1 - I.D.: 2.1875 in - J (in): 7.2500 - L (in): 10.2500 - L1: 2.9375 in - Locking Device: Set Screw - Locking device: Set screw - Lubrication: Relubricatable - N (in): 0.9687 - N1: 1.1875 in - O.D.: 4.3307 in - Operating Temperature Range: -40 to 250 °F - Operating temperature range: -40 to 250 ºF - Performance: Medium duty - S: 1.0000 in - Seal Material: Nitrile Rubber - Seal material: Nitrile rubber - Seal Type: Contact - Seal type: Contact - Static Load Rating: 8100 lbf - Static load rating: 8100 lbf - Type: Pillow Block Unit - Width: 2.563 in ## Product documents / software: - [Drawing](https://documents.mrosupply.com/product_documents/50/48/5048459/lock-Unit--Set-Screw--Cast-Housing--UCP-Type_S_CqPtBRi.png) ## Alternate products to `NTN UCPX11-203D1 Heavy-Duty 2-Bolt Pillow Block Bearing - 2-3/16 in (55.6 mm) Bore, Set Screw Lock, Cast Iron Housing - MROSupply.com`: - [Dodge 126816 P2B-SCM-203 two-bolt pillow block bearing with 2-3/16" (55.562mm) bore, medium duty set screw locking, cast iron housing, 212 series, non-expansion design with DualGuard seals, 65° setscrew angle for maximum shaft grip.](https://www.mrosupply.com/products/131802/as-markdown/) - [SealMaster MP-35 701873 is a 2-3/16" bore 2-bolt pillow block bearing from the Gold Line. It features a cast iron housing, 52100 bearing steel insert with black oxide coating, set screw lock, and felt-labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/421799/as-markdown/) - [SealMaster MPD-35 CXU (alt. 709587) is a 2-3/16" bore 2-bolt pillow block bearing with a cast iron housing, 52100 bearing steel insert, black oxide coating, double setscrew lock, and felt-labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/2255297/as-markdown/) - [SealMaster MPD-35 is a 2-3/16" bore 2-bolt pillow block bearing with a cast iron housing, 52100 bearing steel insert, black oxide coating, double setscrew lock, and felt-labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/2255295/as-markdown/) - [Browning VPS-335 767511 2-bolt pillow block mounted ball bearing with a 2 3/16-inch bore and set screw locking. The cast iron housing has a shaft centerline height of 2 3/4 inches and a bolt centerline range of 6 7/8 to 7 15/16 inches. It features a 52100 bearing steel insert, black oxide coated inner ring, and single lip contact seal with flinger for industrial conveyor and fan applications.](https://www.mrosupply.com/products/2272302/as-markdown/) - [Dodge 054412 P2B-SCM-203-HT medium duty two-bolt pillow block bearing with 2-3/16" bore. Set screw locking, cast iron housing, DualGuard seals. High temperature rated to 400°F. Non-expansion fixed bearing for medium duty industrial applications.](https://www.mrosupply.com/products/123689/as-markdown/) - [Browning VPS-335 AH 2-bolt pillow block mounted ball bearing with a 2.188-inch bore and setscrew locking. The cast iron housing supports a 52100 bearing steel insert with a black oxide coated inner ring, single lip contact seal, and flinger. Suitable for conveyor head shafts, fan supports, and general industrial machinery.](https://www.mrosupply.com/products/2272303/as-markdown/) - [AMI UCPX11-35 medium duty pillow block bearing with 2-3/16" bore, set screw locking mechanism, and cast iron housing. Wide inner ring chrome steel insert for enhanced load capacity and reliability in industrial applications.](https://www.mrosupply.com/products/6611/as-markdown/) ## FAQ: - How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.