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Needle Bearing
China Needle Bearing K75X81X20 K90X98X30 K100X107X21
Experience smoother machinery operation with our precision-engineered China Needle Bearing range, designed to reduce friction and extend equipment lifespan in high-load applications. The K75X81X20, K90X98X30, and K100X107X21 models deliver consistent performance even in tight radial spaces, solving common alignment issues in compact industrial setups.
- Precision-ground raceways ensure minimal vibration for quieter, more reliable machinery
- High-carbon steel construction resists wear during continuous operation
- Available in three critical sizes to fit standard industrial shaft configurations
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 | Needle Bearing |
| Model Number | K75X81X20, K90X98X30, K100X107X21 |
| Bore Diameter (d) | 75mm, 90mm, 100mm |
| Outside Diameter (D) | 81mm, 98mm, 107mm |
| Width (B) | 20mm, 30mm, 21mm |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Hydraulic Systems | Cylinder pivot points, piston rod guidance |
| Automation Equipment | Linear actuators, indexing tables |
| Mechanical Engineering | Conveyor systems, gearbox linkages |
Struggling with Needle Bearing Sourcing? K75X81X20, K90X98X30, K100X107X21 Options Here
Finding the right needle bearings for your equipment can mean sifting through countless catalogs, verifying dimensions across different standards, and waiting weeks for delivery. When dimensions don’t match or quality fails prematurely, production downtime follows—costing far more than the bearing itself.
Multi-Model Availability for Immediate Replacement
Our needle bearing range including K75X81X20, K90X98X30, and K100X107X21 addresses these challenges directly. With interchangeable dimensions following international standards, these bearings fit seamlessly into existing assemblies without rework. Backed by ISO 9001 certified production processes and a network spanning both自有品牌 and major global manufacturers, we provide reliable options whether you need a single replacement or bulk order.
Engineered for High-Load, Precision Applications
These needle bearings excel in tight spaces where radial load capacity matters most. With their slender cross-section design, they deliver high load ratings relative to size—ideal for hydraulic cylinder rods, robotic joints, and precision linear slides. Operating temperatures typically range from -40°C to 120°C, accommodating industrial environments where temperature fluctuations are common.
Key Dimensions That Impact Performance
The precise bore (d), outside diameter (D), and width (B) measurements—75x81x20mm, 90x98x30mm, and 100x107x21mm—ensure proper fit and load distribution. Radial internal clearance is set to industry standards, preventing binding during operation while maintaining positional accuracy. Surface finish on raceways reduces friction, extending service life in both lubricated and maintenance-friendly applications.
Total Cost of Ownership: Beyond Initial Price
Choosing undersized or low-quality needle bearings leads to frequent replacements, unplanned downtime, and potential damage to mating components. Our bearings undergo rigorous dimensional and hardness testing, ensuring they meet load requirements and resist wear. This reliability translates to lower maintenance costs over time—making them a cost-effective choice for long-term operations.
Quality You Can Rely On
Every bearing in our inventory comes from production facilities with ISO 9001 certification. Raw materials are inspected for chemical composition and mechanical properties before manufacturing. Finished products undergo dimensional checks using calibrated equipment and hardness testing to ensure compliance with industry standards. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for your critical applications.
Packaging & Shipping
- Neutral packaging in cardboard boxes, suitable for industrial storage
- Stock items available for same-day dispatch
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity, supporting both trial installations and full production runs
Get Pricing for K75X81X20, K90X98X30, K100X107X21 Needle Bearings
Whether you need these specific models or other needle bearing sizes, we can provide competitive pricing and availability. Share your required quantity, delivery location, and any special packaging needs, and our team will respond promptly with a tailored quote.
Frequently Asked Questions
Q: Can you supply other needle bearing brands or models?
A: Yes, we support inquiries for all needle bearing brands and models. Simply provide the required dimensions or part number, and we’ll source it according to your specifications.
Q: How do I confirm if these bearings fit my equipment?
A: Provide your equipment model or existing bearing dimensions (d x D x B), and our technical team will verify compatibility with the K75X81X20, K90X98X30, or K100X107X21 specifications.
Q: What is your warranty policy?
A: We offer a warranty against manufacturing defects. Specific terms are outlined in each order confirmation, with coverage typically ranging from 12 to 24 months depending on application.
Q: What is the minimum order quantity?
A: We accept small orders starting from 1 piece, allowing for testing and prototyping before full-scale procurement.
Q: How quickly can you ship these needle bearings?
A: Stock models are shipped within 24 hours of order confirmation. For non-stock items, lead times vary by manufacturer and typically range from 5 to 15 business days.
Q: Do you offer custom needle bearing solutions?
A: Yes, we support OEM/ODM customization for special dimensions, materials, or lubrication requirements. Contact us with your drawings or specifications 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.
sales@example.com | +1-XXX-XXX-XXXX
Product Summary
- Product Name
- China Needle Bearing K75X81X20 K90X98X30 K100X107X21
- 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
China Needle Bearing K75X81X20 K90X98X30 K100X107X21
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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