FF-3525 Flat Needle Roller Bearing 3.5×25×75mm for Machine Tool Linear Slide

FF-3525 is ringless flat linear needle roller cage assembly for heavy-duty low-friction linear motion. Equipped with GCr15 steel rollers and nylon cage, this flat needle unit delivers high load capacity and stable rolling performance for reciprocating sliding in heavy machinery.

*Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast.

• Ultra-thin ringless structure, saves installation space for narrow guide gaps
• GCr15 steel rollers, high dynamic & static load capacity
• Low friction, smooth and quiet linear movement
• Tough nylon cage, holds needles firmly to prevent falling off
• Strict dimension tolerance, durable under frequent reciprocation
• Integrated assembly, easy installation and replacement

• Printing machinery sliding components
• Machine tool linear guide parts
• Automation equipment linear sliding mechanisms
• Precision mold thrust sliding assemblies
• Textile & packaging machinery moving units
• Other precision industrial linear motion equipment

*Ready stock. Short lead time. Fast delivery. Send us your bearing list and let’s get started!

• 30 years professional bearing industry experience
• ISO certified strict quality inspection
• Flexible OEM & private label customization
• 3-5 days fast delivery for stocked bearings
• Full bearing series, universal interchangeable size
• Factory direct price & reliable after-sales service

*Need custom bearings? Share your drawings, specifications or requirements — we’ll find the right solution for you.