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TS 16949
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Needle Bearing
K25X33X24 K28X33X17 K28X35X20 Hard Needle Roller Bearings
Experience smoother, longer-lasting machinery performance with our precision-engineered Hard Needle Roller Bearings. These robust components deliver exceptional load capacity in tight spaces, ensuring your equipment runs reliably even under heavy-duty conditions.
- Available in three critical sizes: K25X33X24, K28X33X17, and K28X35X20 to fit specific industrial applications
- Hardened raceways minimize wear and reduce maintenance downtime, keeping your operations efficient
- Compact design maintains high radial rigidity, perfect for gearboxes, pumps, and automotive transmissions where space is limited
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Hard Needle Roller Bearings |
| Model Numbers | K25X33X24, K28X33X17, K28X35X20 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Precision linear actuators, robotic joint mechanisms |
| Hydraulic Systems | Cylinder piston rods, valve control linkages |
| Mechanical Engineering | Conveyor tensioning units, gearbox assemblies |
Struggling with Hard Needle Roller Bearing Sourcing? K25X33X24, K28X33X17, K28X35X20 Options Explained
Finding the right needle roller bearings for your equipment often means navigating confusing model variations and questionable quality. Many buyers face downtime when off-brand replacements don’t match original dimensions, or deal with premature failures from bearings lacking proper heat treatment.
Engineered for Direct Replacement and Reliable Service
Our K25X33X24, K28X33X17, and K28X35X20 hard needle roller bearings address these challenges through ISO 9001-certified manufacturing processes and interchangeable dimensions with major international standards. With extensive现货库存 (ready stock) across multiple brands, we eliminate the need for cross-brand sourcing delays, whether you’re maintaining hydraulic presses or automated production lines.
Optimal Performance in High-Load, Low-Clearance Applications
These needle roller bearings excel in applications with restricted radial space and moderate to high radial loads—common in automotive transmissions, industrial gearboxes, and material handling equipment. Their compact design delivers high load-carrying capacity without sacrificing precision, making them ideal for mechanisms where every millimeter of space counts.
Critical Engineering Features for Longevity
The hardened raceways (typically 58-62 HRC) provide exceptional wear resistance under cyclic loading, while precision-ground rollers ensure uniform load distribution across contact surfaces. The controlled needle roller length and diameter tolerance (ISO Class 0-2) minimizes vibration and noise in high-speed operations. For maintenance-sensitive environments, optional caged designs reduce friction and prevent roller skewing, extending service intervals compared to uncaged alternatives.
Total Cost of Ownership: Why Quality Matters More Than Price
Choosing substandard needle roller bearings may save upfront costs but often leads to increased downtime and maintenance expenses. A bearing with insufficient hardness (below 58 HRC) can develop brinelling under shock loads, causing premature failure. Our bearings undergo rigorous dimensional and hardness testing to ensure compliance with industry standards, directly reducing the risk of unplanned production stops and component replacement costs.
Quality You Can Rely On
Our manufacturing and testing processes adhere to ISO 9001 standards, with raw material verification and finished product inspections covering dimensions, surface hardness, and roller geometry. All bearings come with a standard质保期 (warranty period) against manufacturing defects, and we provide full traceability documentation for critical applications. Whether you need standard off-the-shelf models or custom specifications, our sourcing network supports both OEM and MRO requirements.
Packaging & Shipping
- Neutral industrial packaging with anti-corrosion protection
- Same-day dispatch for in-stock items
- Flexible shipping options: express courier, air freight, or sea cargo
- Low minimum order quantity, suitable for both trial and bulk purchases
Get Your Needle Roller Bearing Quote Today
Provide your required model number (K25X33X24, K28X33X17, K28X35X20, or other specifications), quantity, and delivery location, and our team will respond with pricing and availability within 24 hours. We handle all major brands and can assist with cross-referencing if you need alternatives to existing suppliers.
Frequently Asked Questions
Q: Do you supply other bearing types besides needle roller bearings?
A: Yes, we offer a full range including deep groove ball bearings, roller bearings, plain bearings, and stainless steel bearings across multiple international and domestic brands.
Q: How can I confirm if these bearings fit my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter x outer diameter x width), and our technical team will verify compatibility against standard specifications.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. Specific terms depend on application and usage conditions, with details outlined in our sales agreement.
Q: What is the minimum order quantity for these models?
A: We accept small minimum orders, typically starting from 1 piece for standard models, making it easy to test samples before full-scale procurement.
Q: How long does shipping take to [destination]?
A: In-stock items ship the same day. Express courier takes 3-5 days, air freight 5-7 days, and sea cargo 20-30 days depending on the destination port.
Q: Can you produce custom needle roller bearings to specific drawings?
A: Yes, we support OEM/ODM customization for special dimensions, materials, or cage designs. Contact us with your technical requirements for a feasibility assessment.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
[Contact Information]
Product Summary
- Product Name
- K25X33X24 K28X33X17 K28X35X20 Hard Needle Roller Bearings
- Category
- Needle Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Needle Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
K25X33X24 K28X33X17 K28X35X20 Hard Needle Roller Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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