25050.0312 - Tapered Shaft Hubs
with lock nut, stainless steel
It is a self-centering and non-floating tapered shaft hub in corrosion-protected design with a hexagon nut and a lock nut.
The rotational accuracy of the tapered shaft hubs is 0,03 mm.
By using tapered shaft hubs, all shaft-hub joints of machine elements such as sprocket wheels, gear wheels, belt pulleys, cams, levers etc. can be easily and efficiently established.
This article 25050.0312 - Tapered Shaft Hubs with lock nut, stainless steel / (d1: 12 mm, d2: 20 mm) is one variant of the article group Tapered Shaft Hubs with lock nut, stainless steel (EH 25050.)
More details
- d1: 12 mm
- d2: 20 mm
- l1: 24 mm
- l2: 19 mm
- l3: 12 mm
- WS: 22 mm
- Tightening torque of the nut TA max.: 31 Nm
- Transferable torque M max.: 45.7 Nm
- Transferable axial load Fa max.: 7.6 kN
- Surface pressure of shaft pW max.: 144 N/mm²
- Surface pressure of hub pN max.: 128 N/mm²
- Hub bore D1 H9: 20 mm
- Shaft diameter D2 h9: 12 mm
- Weight: 43 g
Tapered Shaft Hubs
WS: 27 mm
- special fork wrench
- WS: 27 mm
- Weight: 195 g
Material
External part
- Stainless steel, nickel-plated
Inner part
- Stainless steel, nickel-plated
Nut
- Stainless steel, nickel-plated, hardened
References
Comply with mounting instructions, mounting examples, and technical data.
Assembly
The lock nut at the outer part facilitates locking of the shaft-hub joint if freely rotating shafts are involved. For mounting, a cresent wrench (thickness max. l2-l3) is used.
RoHS compliant
Compliant according to Directive 2011/65/EU and Directive 2015/863.
Does not contain SVHC substances
No SVHC substances with more than 0.1% w/w contained - SVHC list [REACH] as of 27.06.2024.
Does not contain Proposition 65 substances
No Proposition 65 substances included.
https://www.P65Warnings.ca.gov/
Free from Conflict Minerals
This product does not contain any substances designated as "conflict minerals" such as tantalum, tin, gold or tungsten from the Democratic Republic of Congo or adjacent countries.