# Fenner B301120 B-LOC B103 Keyless Bushing 120 mm Bore Internal Style - MROSupply.com

***Fenner B301120 B-LOC B103 keyless bushing with 120 mm bore. Internal style with two opposed tapers for high concentricity and infinite axial adjustment. Eliminates keyway machining, reduces backlash, and prevents shaft fretting. Suitable for medium-duty industrial drives.***



## Product details:

- Catalog number: B301120
- SKU: 817754
- Price: ***$253.53*** 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-120X165 one-piece set screw shaft collar with 120mm x 165mm bore, steel with black oxide finish. Set screw design provides point-load axial positioning for light-duty shaft applications. Suitable for shaft positioning, axial stops, and component retention in industrial machinery.](https://www.mrosupply.com/products/2057258/as-markdown/)
- Unit of measure: each
- Weight: 7.200 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 tolerance: 165.08
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 165 mm
  

  
- Hub Contact Pressure: 188 N/sq-mm
  

  
- Hub Diameter: 332.3 mm
  

  
- Hub Pressure: 188
  

  
- Installation torque: 122 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M12 x 35
  

  
- Self-Centering: Yes
  

  
- Series: B103
  

  
- Shaft diameter: 120 mm
  

  
- Shaft Tolerance: 119.92
  

  
- Taper: Single
  

  
- Thrust: 303251
  

  
- Torque Transmission: 18195 Nm
  

  
- Transmissible Thrust: 303251 N
  

  
- Transmissible Torque: 18195 N-m
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/77/817754/fenner_B301120_7rPZTPq.stp)
## Suggested products:
- [Fenner 6202360UP Trantorque GT keyless bushing with 1-3/8 in 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 for precise positioning.](https://www.mrosupply.com/products/1436056/as-markdown/)
- [Fenner 6202540UP Trantorque GT keyless bushing with 1-15/16 in bore. Self-contained single-nut installation eliminates keyway machining for sprockets, sheaves, and pulleys. Zinc-plated steel construction provides corrosion resistance. Infinite axial and angular adjustment with high concentricity.](https://www.mrosupply.com/products/1436063/as-markdown/)
- [Fenner 6202835UP Trantorque GT keyless bushing with 30 mm bore. Self-contained single-nut design 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/1436026/as-markdown/)
- [Fenner TTQM3045 Trantorque OE keyless bushing with 30 mm bore. Single-nut self-contained design for easy installation. Zinc-plated steel construction. Eliminates keyway machining for sprockets, sheaves, and pulleys.](https://www.mrosupply.com/products/1435861/as-markdown/)
- [Fenner B121120 B-LOC B112 keyless bushing with 120 mm bore. Internal style with two opposed tapers for high concentricity and infinite axial adjustment. Eliminates keyway machining, reduces backlash, and prevents shaft fretting. Suitable for heavy-duty industrial torque transmission.](https://www.mrosupply.com/products/817662/as-markdown/)

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