# Fenner T301055 B-LOC B103 Keyless Bushing 55 mm Bore - MROSupply.com

***Fenner T301055 B-LOC B103 keyless bushing with 55 mm bore. This internal-style locking device provides high concentricity and infinite axial adjustment, eliminating the need for keyways. Suitable for sprockets, sheaves, and pulleys in industrial power transmission applications.***



## Product details:

- Catalog number: T301055
- SKU: 818100
- Price: ***$70.34*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Fenner Industrial Motion](https://www.mrosupply.com/brands/fenner-industrial-motion/)
- Category: 
    - [Screw Locking](htts://www.mrosupply.com/bushings/keyless-bushings/screw-locking/)
    - [Keyless Bushings](htts://www.mrosupply.com/bushings/keyless-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)- View suggested `Climax Metal` alternative
  [Climax Metal C123M-55X85 one-piece set screw shaft collar with 55mm bore and 85mm outer diameter. Black oxide steel construction provides corrosion resistance and secure axial positioning on metric shafts. Set screw design applies point-load for light-duty shaft locking in industrial machinery applications.](https://www.mrosupply.com/products/746302/as-markdown/)
- Unit of measure: each
- Weight: 1.800 lb
- Technicall support: contact supplier for technical support on 800 243 3374


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Axial Movement: Approximately 0.8 mm
  

  
- Bore Diameter: 55 mm
  

  
- Bore tolerance: 85.05
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 85mm
  

  
- Finish: Oil Dipped
  

  
- Hub Contact Pressure: 169 N/sq-mm
  

  
- Hub Diameter: 156.6 mm
  

  
- Hub Pressure: 169
  

  
- Installation torque: 34 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- O.D.: 85 mm
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M8 x 25
  

  
- Self-Centering: Yes
  

  
- Series: B103
  

  
- Shaft diameter: 55mm
  

  
- Shaft Tolerance: 54.95
  

  
- Taper: Single
  

  
- Thrust: 108368
  

  
- Torque Transmission: 2980 Nm
  

  
- Transmissible Thrust: 108368 N
  

  
- Transmissible Torque: 2980 N-m
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/81/818100/fenner_T301055_CxxWJDT.stp)
## Suggested products:
- [Fenner T301055 B-LOC B103 keyless bushing with 55 mm bore. This internal-style locking device provides high concentricity and infinite axial adjustment, eliminating the need for keyways. Suitable for sprockets, sheaves, and pulleys in industrial power transmission applications.](https://www.mrosupply.com/products/818100/as-markdown/)
- [Fenner B601055 B-LOC B106 keyless bushing with 55 mm bore. Internal style with two opposed tapers provides high concentricity and infinite axial adjustment. Eliminates keyway machining for sprockets, sheaves, and pulleys. RoHS compliant.](https://www.mrosupply.com/products/817852/as-markdown/)
- [Fenner B121055 B-LOC B112 keyless bushing with 55 mm bore. Heavy-duty internal locking device for high-torque applications, providing concentric clamping without keyways. Allows infinite axial and angular adjustment for industrial shaft-to-hub connections.](https://www.mrosupply.com/products/817654/as-markdown/)
- [Fenner B401055 B-LOC B400 keyless bushing with 55 mm bore. The B400 series provides high torque transmission and precise concentricity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, reduces backlash, and allows infinite axial adjustment. RoHS compliant.](https://www.mrosupply.com/products/817788/as-markdown/)
- [Fenner 6202900UP Trantorque GT keyless bushing with 55 mm bore. Self-contained single-nut installation eliminates keyway machining for sprockets, sheaves, and pulleys. Zinc-plated steel construction provides corrosion resistance. Infinite axial adjustment and high concentricity.](https://www.mrosupply.com/products/1436089/as-markdown/)

## Product's reviews:
- Great value - Same product I got from other vendors without the price gouging. Great site.
- Fast n easy - I was able find the items I needed and not only they delivered quickly, the also gave me a great price.
- Cutting and purchasing manager - The only problem I had they did not tell me it was shipping.
- Fast - Good price, fast delivery