# Fenner B301050 B-LOC B103 Keyless Bushing 50 mm Bore - MROSupply.com

***Fenner B301050 B-LOC B103 keyless bushing with 50 mm bore. External design with single taper and locking screws on the hub face provides high concentricity and infinite axial adjustment. Eliminates keyway machining for sprockets, sheaves, and pulleys. RoHS compliant.***



## Product details:

- Catalog number: B301050
- SKU: 817748
- Price: ***$68.88*** 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-50X80 one-piece set screw shaft collar with 50mm bore and 80mm outer diameter. Steel construction with black oxide finish provides corrosion resistance and durable shaft positioning. Set screw design applies point-load for light-duty axial location on metric shafts in conveyors, packaging equipment, and general machinery.](https://www.mrosupply.com/products/746277/as-markdown/)
- Unit of measure: each
- Weight: 1.700 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: 50 mm
  

  
- Bore tolerance: 80.05
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 80 mm
  

  
- Finish: Oil Dipped
  

  
- Hub Contact Pressure: 157 N/sq-mm
  

  
- Hub Diameter: 139.8 mm
  

  
- Hub Pressure: 157
  

  
- Installation torque: 34 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M8 x 25
  

  
- Self-Centering: Yes
  

  
- Series: B103
  

  
- Shaft diameter: 50mm
  

  
- Shaft Tolerance: 49.95
  

  
- Taper: Single
  

  
- Thrust: 94822
  

  
- Torque Transmission: 2371 Nm
  

  
- Transmissible Thrust: 94822 N
  

  
- Transmissible Torque: 2371 N-m
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/77/817748/fenner_B301050_9zg4P48.stp)
## Suggested products:
- [Fenner B601050 B-LOC B106 keyless bushing with 50 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/817851/as-markdown/)
- [Fenner B121050 B-LOC B112 keyless bushing with 50 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/817653/as-markdown/)
- [Fenner B401050 B-LOC B400 keyless bushing with 50 mm bore. The B400 series provides high torque transmission for servo, encoder, and high-accuracy applications. Eliminates keyway machining, allows infinite axial and angular adjustment, and prevents shaft fretting. RoHS compliant.](https://www.mrosupply.com/products/817787/as-markdown/)
- [Fenner B301050 B-LOC B103 keyless bushing with 50 mm bore. External design with single taper and locking screws on the hub face provides high concentricity and infinite axial adjustment. Eliminates keyway machining for sprockets, sheaves, and pulleys. RoHS compliant.](https://www.mrosupply.com/products/817748/as-markdown/)
- [Fenner 6202885UP Trantorque GT keyless bushing with 50 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/1436025/as-markdown/)

## Product's reviews:
- Fast n easy - I was able find the items I needed and not only they delivered quickly, the also gave me a great price.
- One of my best suppliers - Great and fast service, product quality is so good!
- Cutting and purchasing manager - The only problem I had they did not tell me it was shipping.
- 1/2 “ mini trans torque - Exactly what I ordered fit as expected