The TR1212 (57518) needle roller bearing is a high-precision,
compact needle roller bearing widely used in engines, hydraulic
pumps, gearboxes, agricultural machinery, and industrial equipment.
Manufactured with high-quality bearing steel, this bearing features
high load capacity, low coefficient of friction, and excellent wear
resistance, enabling long-term stable operation under high-speed,
high-temperature, and high-load conditions. Its compact structure
facilitates installation and maintenance, making it an ideal
replacement for original equipment manufacturer (OEM) bearings.
Features and Advantages
• High Load Capacity Design: Closely spaced needle rollers allow for
handling large radial loads.
• Low Friction Performance: Reduces energy loss and improves
mechanical efficiency.
• Wear and Heat Resistance: Utilizes high-quality bearing steel and
high-precision heat treatment processes, adaptable to
high-temperature conditions.
• Compact Structure: Suitable for space-constrained mechanical
structures.
• Long Service Life: Surface-strengthened treatment provides
excellent fatigue resistance.
Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for
example Main cylinder block, cylinder head, crankshaft, Engine
assembly, piston, cylinder liner, piston ring, camshaft, connecting
rod, oil pump, water pump, valve series products, movement, etc.
almost all parts of the entire engine.
Q2: If I only know the excavator model, but can not offer parts
No., what should I do?
A2: If possible, you can send us pictures of old products, name
plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in
stock, but the customers have to pay the sample cost and the
courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is
very stable. If you really found something wrong, please contacts.
We have a professional after-sales team to help you solve the
problem.
