Description
SUPERTECH ENGINEERING
Heavy Duty Bull Nose Live Center — STBN Series
OVERVIEW
The STBN Series Heavy Duty Bull Nose Live Center is specifically
designed for machining heavy tubes, pipes, and hollow workpieces
on CNC and conventional lathes as well as precision grinding
machines. The STBN series delivers exceptional precision and
load-bearing performance for demanding industrial applications.
KEY FEATURES
– Designed for machining heavy tubes & pipes
– Preloaded bearings for superior thrust and radial capacity
– Made from alloy steel hardened to 55–60 HRC
– High runout accuracy up to 0.005mm
– Truncated nose angles: 60°, 70°, 75°, 80° & 90°
– Available in Morse Taper MT-2 to MT-6
– Maximum workpiece capacity up to 5000kg
– Operating speed up to 4000 RPM
DIMENSION GUIDE
A = Bull nose head length (mm)
C = Morse taper shank length (mm)
D = Outer diameter of bull nose (mm)
d = Inner bore diameter (mm)
L = Total overall length (mm)
θ = Truncated nose angle
SPECIFICATIONS TABLE
| Model No. | Morse Taper | A | C | D | d | L | Angle (θ) | Workpiece Weight (kg) | R.P.M |
| STBN2 | MT-2 | 72 | 69 | 70 | 25 | 141 | 60 | 400 | 4000 |
| STBN3-3 | MT-3 | 72 | 86 | 70 | 25 | 158 | 60 | 600 | 4000 |
| STBN3-4 | MT-3 | 80 | 86 | 112 | 50 | 166 | 70 | 600 | 2000 |
| STBN3-5 | MT-3 | 80 | 86 | 128 | 60 | 166 | 75 | 600 | 2000 |
| STBN4-4 | MT-4 | 110 | 108 | 112 | 45 | 218 | 60 | 900 | 3000 |
| STBN4-5 | MT-4 | 115 | 108 | 128 | 50 | 223 | 60 | 1200 | 2500 |
| STBN4-6 | MT-4 | 120 | 108 | 156 | 55 | 228 | 70 | 1500 | 2500 |
| STBN4-8 | MT-4 | 125 | 108 | 206 | 70 | 233 | 75 | 2000 | 2000 |
| STBN5-4 | MT-5 | 110 | 136 | 112 | 45 | 246 | 60 | 1500 | 3000 |
| STBN5-5 | MT-5 | 115 | 136 | 128 | 50 | 251 | 60 | 2000 | 2500 |
| STBN5-6 | MT-5 | 120 | 136 | 156 | 55 | 256 | 70 | 2500 | 2500 |
| STBN5-8 | MT-5 | 125 | 136 | 206 | 70 | 261 | 75 | 3000 | 2000 |
| STBN5-10 | MT-5 | 130 | 136 | 258 | 90 | 266 | 80 | 4000 | 2000 |
| STBN5-12 | MT-5 | 130 | 136 | 306 | 120 | 266 | 90 | 4000 | 2000 |
| STBN6-6 | MT-6 | 120 | 186 | 156 | 55 | 306 | 70 | 3500 | 2500 |
| STBN6-8 | MT-6 | 125 | 186 | 206 | 70 | 311 | 75 | 4000 | 2000 |
| STBN6-10 | MT-6 | 130 | 186 | 258 | 90 | 316 | 80 | 5000 | 2000 |
| STBN6-12 | MT-6 | 130 | 186 | 306 | 120 | 316 | 90 | 5000 | 2000 |
APPLICATIONS
– Heavy tube and pipe machining
– Shaft turning on CNC and conventional lathes
– Heavy engineering and fabrication workshops
– Oil & gas pipe manufacturing
– Structural steel tube machining
WHY CHOOSE SUPERTECH ENGINEERING?
SuperTech Engineering has been manufacturing precision live centers
since 2012. Our STBN series is built to
international precision standards, offering a reliable and
cost-effective alternative to imported live centers from Europe and USA,
ORDERING
Select your required Morse Taper size and model from the options
above. For custom specifications or bulk orders, contact us directly.
Custom sizes and configurations available on request.
