Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Fritsche
Fritsche part number 4511-100-50M is a grease-filled automatic lubrication system tubing constructed from polyamide 12, supplied in a 50-meter (164 ft) roll. This 4 mm variant features a nominal size of 6.0 x 1.5, an external diameter of 6.0 +0.05 / – 0.10, an inner diameter of 3.0 +0.15 / – 0.05, and a wall thickness of 1.5 +0.05 / – 0.15. The component operates at a maximum pressure of 89 bar, reaches a bursting pressure of 267 bar, and maintains a bending radius of 50 mm. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Fritsche references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Fritsche 4511-100-50M. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.