Rotary Deck Bushings – Technical Specifications
Explore specifications by drill rig model. Select a model below to view available dimensions and options.
Atlas Copco
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 4 | 102 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 4.5 | 114 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 5 | 127 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 5.5 | 140 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 6.25 | 159 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 6.5 | 165 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 7 | 178 | 10 | 254 | 12″ w/ 2 x Slots | 305 mm w/ 2 x Slots | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 5.5 | 140 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 6.25 | 159 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 6.5 | 165 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 7 | 178 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 8.625 | 219 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 13 | 330 | 16″ w/ 2 x Slots | 406 MM w/ 2 x Slots | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 7 | 178 | 11.25 | 286 | 12″ w/ 1 x Slot | 305 mm w/1 x Slot | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 11.25 | 286 | 12″ w/ 1 x Slot | 305 mm w/1 x Slot | On Request | TBA | TBA |
| TBA | 8.625 | 219 | 11.25 | 286 | 12″ w/ 1 x Slot | 305 mm w/1 x Slot | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 8.625 | 219 | 15 | 381 | 15.750″ w/ No Slots | 400 w/ No Slots | On Request | TBA | TBA |
| TBA | 8.625 | 219 | 16 | 406 | 16.875″ w/ No Slots | 429 w/ No Slots | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 15 | 381 | 15.750″ w/ No Slots | 400 w/ No Slots | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 16 | 406 | 16.875″ w/ No Slots | 429 w/ No Slots | On Request | TBA | TBA |
| TBA | 10.75 | 273 | 15 | 381 | 15.750″ w/ No Slots | 400 w/ No Slots | On Request | TBA | TBA |
| TBA | 10.75 | 273 | 16 | 406 | 16.875″ w/ No Slots | 429 w/ No Slots | On Request | TBA | TBA |
Caterpillar
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 5 | 127 | On Request | TBA | TBA | ||||
| TBA | 5.5 | 140 | On Request | TBA | TBA | ||||
| TBA | 6 | 152.4 | On Request | TBA | TBA | ||||
| TBA | 6.5 | 165 | On Request | TBA | TBA | ||||
| TBA | 7 | 178 | On Request | TBA | TBA | ||||
| TBA | 7.625 | 194 | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 4.5 | 114 | On Request | TBA | TBA | ||||
| TBA | 5 | 127 | On Request | TBA | TBA | ||||
| TBA | 5.5 | 140 | On Request | TBA | TBA | ||||
| TBA | 6 | 152.4 | On Request | TBA | TBA | ||||
| TBA | 6.5 | 165 | On Request | TBA | TBA | ||||
| TBA | 7 | 178 | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 7.625 | 194 | On Request | TBA | TBA | ||||
| TBA | 8.625 | 219 | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 7.625 | 194 | On Request | TBA | TBA | ||||
| TBA | 8.625 | 219 | On Request | TBA | TBA | ||||
| TBA | 9.25 | 235 | On Request | TBA | TBA | ||||
| TBA | 10.75 | 273 | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 9.25 | 235 | On Request | TBA | TBA | ||||
| TBA | 10.75 | 273 | On Request | TBA | TBA | ||||
| TBA | 13.375 | 340 | On Request | TBA | TBA |
Komatsu
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 7 | 178 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 8.625 | 219 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 10.75 | 273 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 7 | 178 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 8.625 | 219 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| TBA | 10.75 | 273 | 16 | 406 | 22″/17″ w/ 2 x Wings | 560/435 MM w/ 2 x Wings | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 8.625 | 219 | 17 | 432 | 21.65″ w/ 2 x Slots | 550 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 17 | 432 | 21.65″ w/ 2 x Slots | 550 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 10.75 | 273 | 17 | 432 | 21.65″ w/ 2 x Slots | 550 MM w/ 2 x Slots | On Request | TBA | TBA |
| TBA | 13.375 | 340 | 17 | 432 | 21.65″ w/ 2 x Slots | 550 MM w/ 2 x Slots | On Request | TBA | TBA |
Sandvik
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 5 | 127 | 10 | 254 | 14″ w/ 1 x Flat | 356 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 5.5 | 140 | 10 | 254 | 14″ w/ 1 x Flat | 356 MM w/ 1 x Flat | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 4.5 | 114 | 10 | 254 | 14″ w/ 1 x Flat | 356 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 5 | 127 | 10 | 254 | 14″ w/ 1 x Flat | 356 MM w/ 1 x Flat | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 6.5 | 165 | 12 | 305 | 16″ w/ 1 x Flat | 406 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 6.5 | 165 | 13 | 330 | 15.85″ w/ 1 x Flat | 403 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 7 | 178 | 12 | 305 | 16″ w/ 1 x Flat | 406 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 7 | 178 | 13 | 330 | 15.85″ w/ 1 x Flat | 403 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 12 | 305 | 16″ w/ 1 x Flat | 406 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 13 | 330 | 15.85″ w/ 1 x Flat | 403 MM w/ 1 x Flat | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 7 | 178 | 13 | 330 | 13″ w/ 1 x Flat | 403 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 7.625 | 194 | 13 | 330 | 13″ w/ 1 x Flat | 403 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 8.625 | 219 | 13 | 330 | 13″ w/ 1 x Flat | 403 MM w/ 1 x Flat | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 8.625 | 219 | 16 | 406 | 19″ w/ 1 x Flat | 482 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 9.25 | 235 | 16 | 406 | 19″ w/ 1 x Flat | 482 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 10.75 | 273 | 16 | 406 | 19″ w/ 1 x Flat | 482 MM w/ 1 x Flat | On Request | TBA | TBA |
| Northstar Part Number | Drill Pipe Diameter Inches | Drill Pipe Diameter MM | Outside Diameter Inches | Outside Diameter MM | Flange Diameter Inches/ Type | Flange Diameter MM/ Type | Special Options | Unit Weight LBS | Unit Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| TBA | 5.5 | 140 | 10 | 254 | 14″ w/ 1 x Flat | 356 MM w/ 1 x Flat | On Request | TBA | TBA |
| TBA | 7 | 178 | 10 | 254 | 14″ w/ 1 x Flat | 356 MM w/ 1 x Flat | On Request | TBA | TBA |
| Diameter Inches | Diameter MM | Wall Inches | Wall MM | Length Feet | Length MM | Thread Options |
|---|---|---|---|---|---|---|
| 7.625 | 194 | 1 | 25.4 | 25 | 7620 | 5 1/4″ BECO |
| 7.625 | 194 | 1 | 25.4 | 42 | 12802 | 5 1/4″ BECO |
| 8.625 | 219 | 1 | 25.4 | 25 | 7620 | 6″ BECO |
| 8.625 | 219 | 1 | 25.4 | 42 | 12802 | 6″ BECO |
| 9.25 | 235 | 1 | 25.4 | 25 | 7620 | 6″ BECO |
| 9.25 | 235 | 1 | 25.4 | 42 | 12802 | 6″ BECO |
Rotary Deck Bushings Selection Guide
North Star Rotary Deck Bushings. Rotating deck bushing assemblies with bearing races and an inner sleeve. Compare the listed rig and dimensional configurations.
Configuration and Application
This rotating assembly allows the inner sleeve to turn within the outer body. The product information describes three bearing races and 4140 heat-treated alloy material. Confirm drill pipe diameter, bushing dimensions and the exact rig configuration.
Rotary Deck Bushing Requirements
When selecting rotary deck bushing, provide the intended application, existing assembly details and the dimensions needed for the mating components. Include drawings, photographs or an existing part reference when available. Confirm the finished configuration with the quotation before ordering.
Related Tooling and Technical Background
Review Rotary Drill Pipes and Rotary Adaptors for related North Star tooling. For general background on drill string, see the drill string reference. Product-specific dimensions and compatibility remain subject to the selected configuration.
Request Rotary Deck Bushings
Send the required configuration, quantity and drawings for a quotation. Identify the connections and dimensions that must match the existing equipment. Our team can review the supplied information and confirm the applicable options.
