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Needle Bearing
Hard Needle Roller Bearings K25X33X24–K32X35X20, High-Precision, Low-Friction
Basic Info
| Inner Diameter | 25 mm |
| Outer Diameter | 33 mm |
| Thickness | 24 mm |
| Type | Needle Roller Bearing, Closed, Radial |
| Material | |
| Lubrication | Grease or Oil |
Introduction
High-precision needle roller bearing (K25X33X24) without inner/outer rings, designed for radial loads. Made of premium bearing steel, sealed and lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. Fast delivery (3–7 days), OEM/ODM supported.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
Key Specifications & Advantages of Hard Needle Roller Bearings
| Description | Core Value |
|---|---|
| Ultra-compact design (e.g., K25×33×24 mm) | Maximizes space efficiency in tight assemblies — ideal for automotive transmissions & compact gearboxes |
| Radial load-only, high-load capacity | Supports heavy radial forces with minimal deflection — perfect for industrial actuators and pumps |
| Bearing steel (GCr15) construction | Superior hardness & fatigue resistance — extends service life 30%+ vs. standard carbon steel |
| No inner/outer ring design | Reduces weight & inertia; enables direct mounting on hardened shafts or housings |
| Closed-type sealed structure | Prevents contamination & retains lubricant — zero maintenance required in sealed environments |
| P0–P2 precision grades available | Ensures smooth, low-noise operation in high-speed applications (up to 12,000 rpm) |
| C0/C3/C4 clearance options | Enables thermal expansion compensation — critical for engine-mounted & high-temp machinery |
| Grease or oil lubrication compatible | Flexible integration into existing OEM lubrication systems — no re-engineering needed |
| ISO/TS 16949 certified production (1M units/year) | Consistent batch-to-batch quality — backed by 100% dimensional & hardness testing |
| BDL-branded, China-manufactured (HS 8482102000) | Cost-effective alternative to SKF HK/NK series — same specs, 25% lower TCO |
Engineered for reliability where space, weight, and load density matter most — these needle roller bearings deliver SKF-grade performance at competitive pricing. Used across automotive CVTs, textile looms, robotics joints, and agricultural hydraulics. All units undergo 100% vibration & noise screening. FAQ: Q: Can they replace SKF HK2524? A: Yes — identical dimensions & load ratings. Q: Are custom clearances available? A: Yes — C3/C4 shipped within 3 days. Q: What’s the max operating temp? A: 120°C continuous (with lithium grease). Ready to request samples or volume pricing? Contact us today — our technical team responds within 2 hours.
Product Summary
- Product Name
- Hard Needle Roller Bearings K25X33X24–K32X35X20, High-Precision, Low-Friction
- 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
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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
Hard Needle Roller Bearings K25X33X24–K32X35X20, High-Precision, Low-Friction
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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