# SealMaster ST-23 700740 Take-Up Bearing Unit 1-7/16" Bore Set Screw Lock Gold Line - MROSupply.com

***SealMaster ST-23 700740 take-up bearing unit, 1-7/16" bore, cast iron wide-slot housing, 52100 bearing steel insert with black oxide coating, set screw lock, felt-labyrinth seal. Pre-lubricated for conveyor and tensioning applications.***



## Product details:

- Catalog number: 700740
- SKU: 421758
- Price: ***$183.56*** Each
- 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: 3.840 lb
- UPC: 662461006191
- 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): 0.88
  

  
- Adjusting Screw Square Nut Seat Height (in): 1.44
  

  
- Base to Center Height (in): 3.06
  

  
- Bearing Insert Finish: Black Oxide
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bearing Type: Standard Duty
  

  
- Bore Diameter (in): 1.4375
  

  
- Bore Shape: Straight
  

  
- Cage Material: PPS - Polyphenylene Sulfide
  

  
- Cage Type: Land Riding Retainer
  

  
- Carriage Bolt Size (in): 5/8
  

  
- Centerline to Outermost Bearing Face (in): 1
  

  
- Dynamic Load Rating (lb): 5782
  

  
- End Cap: No
  

  
- Fixed vs. Expansion: Fixed
  

  
- Grease Fitting Thread Size: 1/4-28
  

  
- Height: 6.81
  

  
- 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): 1.859
  

  
- Insert: 2-17
  

  
- Length: 4.38
  

  
- Length Through Bore (in): 1.685
  

  
- Lubricant: Lithium Complex NLGI 2 Grease
  

  
- Max Operating Temperature (F): 220
  

  
- Maximum Speed (RPM): 4650
  

  
- Misalignment Capability: ±2.0° Misalignment - Static Only
  

  
- Misalignment Type: Static Only
  

  
- Outer Ring Land Profile: Standard
  

  
- Overall Height (in): 4
  

  
- Overall Length (in): 5.06
  

  
- Overall Width (in): 1.75
  

  
- Radial Clearance: Standard
  

  
- Rolling element: Ball Bearing
  

  
- Seal: Felt Labyrinth Seal
  

  
- Series: ST
  

  
- Shaft Locking Type: Set Screw
  

  
- Size Code: 2-17
  

  
- Slot Length (in): 2.5
  

  
- Slot Spacing (in): 3.5
  

  
- Slot Width (in): 0.531
  

  
- Static Load Rating (lb): 3493
  

  
- Vibration Frequency Fundamental Train: 0.007
  

  
- Vibration Frequency Inner Ring Defect: 0.091
  

  
- Vibration Frequency Outer Ring Defect: 0.06
  

  
- Vibration Frequency Roller Spin: 0.039
  

  
- Width: 2.06
  
## Product documents / software:

- [Catalog Page](https://documents.mrosupply.com/product_documents/ST/ST-31H%20RM/MCC12004E_G72_sl5Uj8s.pdf)
- [Instruction Sheet](https://documents.mrosupply.com/product_documents/SP/SPM-39%20HTA/784106_iwAlFHU.pdf)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/ST/ST-23/regalpts_beloit_EPTCAD-ST-23-DEFAULT_NkllBPV.IGS)
## Alternate products to `SealMaster ST-23 700740 Take-Up Bearing Unit 1-7/16" Bore Set Screw Lock Gold Line - MROSupply.com`:
- [Browning VTWS-223 wide slot take-up mounted ball bearing with a 1.438-inch bore and setscrew locking. Cast iron housing with a 52100 bearing steel insert, black oxide coated inner ring, single lip contact seal with flinger. Designed for conveyor tensioning and industrial take-up applications. Genuine Browning from Regal Rexnord.](https://www.mrosupply.com/products/2272483/as-markdown/)
- [AMI UCST207-23 wide slot take-up bearing unit with 1-7/16" bore, set screw locking, and cast iron housing. Chrome steel insert with wide inner ring for normal duty applications. 200 series design weighs 3.36 lbs.](https://www.mrosupply.com/products/16632/as-markdown/)

## Product's reviews:
- Owner - Your shipment was quick and you have a great price on
Sealmaster bearings. Your Gates and Browning Power Belts were higher than I expected. Great Service Great Price. We have to get right or get left in this market in this market.
- Drum bearing - Very easy to order, arrived very quickly, We will be ordering more items from here in the future.
- Solutions - Fast service, and excellent competitive price.
- Bearing - It was delivered on time




## 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.