HF2520 Drawn Cup Roller Clutch / Needle Roller Bearing with Steel Spring , 25*32*20mm

1.Product Overview

HF2520 is standard metric drawn cup one-way needle roller overrunning clutch bearing with overall dimension Fw=25mm matching shaft diameter, outer diameter D=32mm, total width C=20mm. It belongs to HF series pure clutch unit without built-in side radial needle supports, needs to be matched with HK25 series drawn cup needle bearings to bear radial load simultaneously during operation.

Integral stamped thin steel outer cup adopts interference press-fit installation mode, no additional fixing sleeves required. Internal stainless steel leaf springs push inclined needle rollers to realize unidirectional torque transmission and automatic anti-reverse self-locking; free rotation in one direction, rigid locking reverse rotation to avoid equipment reverse backlash damage. Outer shell and needle rollers adopt GCr15 bearing steel with overall quenching treatment, open both ends structure convenient for regular grease replenishment and maintenance. Widely applied to textile winding machinery, packaging conveyor equipment, small gear reducers, office automation transmission parts and light industrial anti-reverse overrunning drive assemblies.

Get a quote within 24 hours for your project

2.Technical Specifications

3.Key Advantages

• Compact thin drawn cup press-fit structure, directly pressed into housing interference hole, simplify transmission layout and reduce equipment assembly parts count
• Independent single-direction overrunning clutch core design, large allowable locking torque, stable anti-reverse self-locking performance under frequent start-stop reciprocating torque impact
• Stainless steel elastic leaf spring positioning needle rollers, uniform wedge locking force, no slippage during heavy torque transmission, long contact fatigue service life
• Ultra-narrow radial cross-section saves equipment internal installation space, perfect for miniaturized light-duty unidirectional transmission mechanical design
• Double-end open design facilitates regular lubrication maintenance, effectively reduce abnormal wear caused by insufficient grease
• Customizable options: single/double RS rubber dust seals, stainless steel anti-rust outer cup, OEM laser marking, low-temperature food-grade special lubricant filling

Effectively eliminate equipment reverse rotation backlash and reduce transmission system overhaul maintenance frequency

4.Applications

This HF2520 single-way drawn cup needle clutch bearing is widely matched for the following light industrial unidirectional transmission equipment:

• Textile yarn winding machinery, loom take-up roller anti-reverse overrunning assemblies
• Food packaging production line conveyor roller anti-backward rotation supporting parts
• Miniature gear reducers, small speed reducer output shaft one-way locking components
• Printing equipment, office automation reciprocating transmission drive mechanisms
• Light construction feeding rollers, household electrical appliance internal anti-reverse transmission parts
• Aftermarket replacement spare parts for 25mm bore drawn cup one-way needle clutch bearing equipment

Ideal cost-effective compact anti-reverse clutch solution for light load unidirectional transmission machinery

5.Why Choose GQZ Bearing

• 25 years of professional HF series drawn cup one-way needle clutch bearing manufacturing experience
• HF2520 fully dimensionally interchangeable with international standard HF series overrunning bearings, consistent locking torque and rotational smoothness
• Complete OEM & ODM customized service supporting dust seal addition, stainless steel outer shell and special lubricant customization
• Full-process strict inspection: raw material hardness test, drawn cup forming precision, spring locking torque uniformity and high-speed reciprocating torque cycle durability testing before delivery
• Professional one-way clutch technical team provides housing interference tolerance and matching shaft installation guidance within 24 hours
• Stable mass production capacity with preferential bulk wholesale price for long-term textile and packaging machinery manufacturers

We focus on reliable anti-slip locking torque, compact press-fit performance and long-term win-win cooperation with global industrial buyers

6.Quality Control

• Raw material chemical composition and hardness inspection of GCr15 chrome steel and stainless spring steel
• Precision deep drawing, trimming and inner inclined raceway grinding processing for integral outer drawn cup
• Standardized quenching & tempering heat treatment process to stabilize metal internal stress and improve wear resistance
• Special clutch performance testing: unidirectional locking torque consistency, high-speed anti-reverse durability, radial clearance uniformity inspection
• Uniform needle roller and spring assembly inspection, dimensional & appearance recheck before anti-rust oil packaging and shipment

Every batch of HF2520 bearings passes full sampling reciprocating torque cycle durability test to guarantee stable long-term anti-reverse transmission operation

7.Get a Quote Now

If you need high locking torque HF2520 drawn cup one-way needle clutch bearings for textile winding machines and packaging conveyor anti-reverse equipment, send your inquiry to us directly.

You will receive full professional supporting services after submitting inquiry:

• Fast official factory quotation reply within 24 hours
• One-on-one housing interference tolerance & shaft surface hardness matching technical guidance by professional clutch bearing engineers
• Customized bearing solution suggestions including RS dust sealed variants and stainless steel anti-rust outer cup options
• Competitive direct factory bulk wholesale price for large machinery spare parts bulk orders

Send your required purchase quantity and equipment working environment to obtain detailed formal quotation

8.FAQ

1. Q1: What is the difference between HF series and HFL series one-way bearings?

   A1: HF2520 is independent clutch unit without radial supporting needles, must match HK series needle bearings to bear radial load; HFL integrates bilateral radial needle supports, can work alone without auxiliary bearings.

2. Q2: What is the maximum allowable transmission torque of HF2520?

   A2: Standard allowable continuous transmission torque reaches 66 N·m, suitable for light and medium torque anti-reverse transmission working conditions.

3. Q3: Can HF2520 bear radial load alone?

   A3: Cannot. It only realizes unidirectional locking function, no radial supporting structure, must be combined with HK2512 drawn cup needle bearing to bear radial load jointly.