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TS 16949
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Needle Bearing
Stainless Steel Needle Roller Bearing K42X48X35/K42X50X18/K42X50X20
Basic Info
| Inner Diameter | 42 mm |
| Outer Diameter | 48 mm |
| Thickness | 35 mm |
| Type | Needle Roller Bearing, Closed, Without Inner/Outer Ring |
| Material | |
| Lubrication | Grease or Oil |
Introduction
This K42X48X35 needle roller bearing features compact radial design, high load capacity, and precision ratings from P0 to P2. Ideal for space-constrained applications requiring low friction and reliable performance.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 & Benefits of Stainless Steel Needle Roller Bearings (K42X48X35 / K42X50X18 / K42X50X20)
| Feature | Description & Key Selling Point |
| Material & Corrosion Resistance | High-grade stainless steel (AISI 440C equivalent) — ideal for humid, chemical, or food-grade environments where standard bearing steel would rust. |
| Design Flexibility | Ringless design (no outer/inner ring) — saves space and weight; perfect for compact, high-precision housings like automotive transmissions and robotics. |
| Precision Grades | Available in P0 to P2 tolerance — ensures ultra-low vibration and extended service life in high-speed applications. |
| Load Capacity | Optimized radial load distribution via dense needle arrangement — delivers 30% higher dynamic load vs. standard stamped cages. |
| Lubrication Options | Pre-lubricated with ISO VG 68 grease or compatible with oil bath systems — reduces maintenance frequency and downtime. |
| Clearance Options | C0, C3, C4 — enables precise thermal expansion control in temperature-varying industrial machinery. |
| Global Compliance | HS Code 8482102000; meets ISO 3547 and DIN 618 standards — certified for export and OEM integration worldwide. |
| OEM/ODM Support | Custom packaging, branding (e.g., SKF-compatible labeling), and dimensional variants — backed by 1M units/month production capacity. |
| Fast Delivery | Ready stock — ships in 3–7 days from China warehouse; DHL/FedEx options available. |
Typical Applications: Automotive CV joints, textile looms, packaging equipment, medical imaging gantries, and servo motor assemblies.
Why Choose Ours Over Competitors? We use vacuum-melted bearing steel + full heat-treatment traceability (batch-certified), unlike generic imports lacking microstructure reports.
FAQ: Q: Are these interchangeable with SKF NKI42/35? A: Yes — identical dimensions and load ratings; full compatibility verified. Q: Can they run dry? A: Not recommended — always maintain minimum lubricant film. Q: Do you supply sealed variants? A: Yes — optional rubber seals (NBR/Viton) available on request.
Product Summary
- Product Name
- Stainless Steel Needle Roller Bearing K42X48X35/K42X50X18/K42X50X20
- 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
Stainless Steel Needle Roller Bearing K42X48X35/K42X50X18/K42X50X20
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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