# SealMaster MST-24 700155 Take-Up Bearing Unit 1-1/2" Bore Set Screw Lock - MROSupply.com ***SealMaster MST-24 700155 is a 1-1/2" bore take-up bearing unit with a cast iron wide-slot housing. The 52100 bearing steel insert is black oxide coated with a set screw lock and felt-labyrinth seal. Pre-lubricated for general industrial conveyor and tensioning applications.*** ## Product details: - Catalog number: 700155 - SKU: 2253964 - Price: ***$308.19*** Each - Quantity: This product has a minimum order quantity of 7. This is the minimum order quantity available when purchasing this product. - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [SealMaster](https://www.mrosupply.com/brands/sealmaster/) - Category: - [Take-Up Bearing Units](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/take-up-bearings/take-up-bearing-units/) - [Take-Up Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/take-up-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: 6.250 lb - UPC: 662461001325 - Technicall support: contact supplier for technical support on 800-626-2120 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Ability to Relubricate: Yes - Adjusting Screw Clearance Hole Diameter (in): 1.13 - Adjusting Screw Square Nut Seat Height (in): 1.94 - Bearing Insert Finish: Black Oxide - Bearing Insert Material: 52100 Bearing Steel - Bearing Type: Medium Duty - Bore Diameter (in): 1.5 - Bore Shape: Straight - Cage Material: PPS - Polyphenylene Sulfide - Cage Type: Land Riding Retainer - Carriage Bolt Size (in): 3/4 - Centerline to Outermost Bearing Face (in): 1.19 - Dynamic Load Rating (lb): 7901 - End Cap: No - Fixed vs. Expansion: Fixed - Grease Fitting Thread Size: 1/4-28 - Height: 7.5 - Housing: Take-Up Block, Wide Slot - Housing Coating: Powder Coated - Housing Color: Black - Housing Construction: One Piece - Housing Material: Cast Iron - Housing Style: Take-Up Block - Inner Race Heat Treat Method: Zone-Hardened - Inner Ring OD (in): 2.307 - Insert: 3-18 - Length: 4.63 - Length Through Bore (in): 1.934 - Lubricant: Lithium Complex NLGI 2 Grease - Max Operating Temperature (F): 220 - Maximum Speed (RPM): 3800 - Misalignment Capability: ±2.0° Misalignment - Static Only - Misalignment Type: Static Only - Outer Ring Land Profile: Standard - Overall Height (in): 4.63 - Overall Length (in): 5.69 - Overall Width (in): 2.19 - Radial Clearance: Standard - Rolling element: Ball Bearing - Seal: Felt Labyrinth Seal - Series: MST - Shaft Locking Type: Set Screw - Size Code: 2-111 - Slot Length (in): 3.25 - Slot Spacing (in): 4 - Slot Width (in): 0.688 - Static Load Rating (lb): 5139 - Vibration Frequency Fundamental Train: 0.007 - Vibration Frequency Inner Ring Defect: 0.099 - Vibration Frequency Outer Ring Defect: 0.067 - Vibration Frequency Roller Spin: 0.042 - Width: 2.31 ## Product documents / software: - [Catalog Page](https://documents.mrosupply.com/product_documents/MS/MST-310/MCC12004E_G74.pdf) - [Drawing](https://documents.mrosupply.com/product_documents/MS/MST-310/MST.gif) - [3D Drawing IGES](https://documents.mrosupply.com/product_documents/MS/MST-24/regalpts_beloit_EPTCAD-MST-24-DEFAULT_c1FiRPK.IGS) ## Alternate products to `SealMaster MST-24 700155 Take-Up Bearing Unit 1-1/2" Bore Set Screw Lock - MROSupply.com`: - [Dodge 125116 WSTU-SC-115 wide slot take-up bearing unit with 1-15/16" bore, 65° set screw locking, standard duty ball bearing insert, and DualGuard seals with flingers. Cast iron housing in non-expansion configuration for belt tensioning applications. Relubrication enabled for general purpose use.](https://www.mrosupply.com/products/123558/as-markdown/) - [Browning VPE-231 767918 2-bolt pillow block mounted ball bearing with a 1.938-inch bore and eccentric locking collar. The expansion-type cast iron housing accommodates thermal shaft growth. It features a 52100 bearing steel insert, black oxide coated inner ring, and a single lip contact seal with flinger for contaminant exclusion. Suitable for conveyor head shafts, fan supports, and general industrial machinery.](https://www.mrosupply.com/products/2272126/as-markdown/) - [Dodge 125120 WSTU-SC-108 wide slot take-up bearing unit with 1-1/2" bore, 65-degree setscrew locking, cast iron housing, standard duty ball bearing insert featuring DualGuard seals with flingers. Non-expansion design suitable for belt tensioning applications. Relubrication enabled. 208 series bearing.](https://www.mrosupply.com/products/123555/as-markdown/) - [Browning VTWS-231 (767912) wide slot take-up mounted ball bearing with a 1.938-inch bore and setscrew locking. Cast iron housing, 52100 bearing steel with black oxide coated inner ring, and a single lip contact seal with flinger. Designed for belt conveyor tensioning applications in industrial environments.](https://www.mrosupply.com/products/2272489/as-markdown/) - [Dodge 135183 WSTU-SCM-200 wide slot take-up bearing unit with 2" bore, set screw locking, medium duty, 211 series ball bearing, cast iron housing. DualGuard seals with flingers, non-expansion (fixed), for belt tensioning applications. Relubricatable, general purpose use.](https://www.mrosupply.com/products/123710/as-markdown/) - [Dodge 135116 WSTU-SCM-107 wide slot take-up bearing unit with 1-7/16" bore, set screw medium duty locking, 208 series ball bearing, cast iron housing, DualGuard seals with flingers, powder coated finish, relubrication, for general purpose belt tensioning applications.](https://www.mrosupply.com/products/134093/as-markdown/) - [Dodge 125113 WSTU-SC-103 wide slot take-up bearing unit with 1-3/16" bore, set screw locking, cast iron housing, standard duty ball bearing insert, DualGuard seals with flingers, non-expansion fixed mount for belt tensioning applications.](https://www.mrosupply.com/products/123551/as-markdown/) - [Dodge 135120 WSTU-SCM-108 wide slot take-up bearing with 1-1/2" bore, medium duty set screw locking, and cast iron housing. Features DualGuard seals with flingers, 209 series ball bearing insert, and relubrication capability for general purpose belt tensioning applications. Non-expansion design.](https://www.mrosupply.com/products/131303/as-markdown/) ## Product's reviews: - Response - Very knowledgeable sales rep. Excellent delivery time. Very important when supply chains are challenging. - Bearing - It was delivered on time - Excelent - excelent - Solutions - Fast service, and excellent competitive price. ## 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.