-- SKF Authorized Engineering Partner
Ensure smooth, reliable rotation in your machinery with precision-engineered BDL RNA4928 Bearings and compatible models RNA497A, RNA498A. These needle roller bearings deliver exceptional radial load handling while maintaining compact dimensions, perfect for applications where space is at a premium.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | K115X123X27, K115X125X35, K115X125X40 |
| Bearing Type | Needle Roller Bearing, Closed |
| Load Direction | Radial Bearing |
| Style | Without Outer Ring, Without Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Specification | 115*123*27 mm |
| Delivery Time | 3-7 days |
| Service | OEM, ODM |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Linear motion systems, robotic joints |
| Hydraulic Systems | Cylinder piston rods, hydraulic actuators |
| Mechanical Engineering | Transmission assemblies, gearbox components |
Finding the right needle roller bearings for your equipment often means sifting through countless models with mismatched dimensions or questionable material quality. Many buyers face costly delays when suppliers can’t provide the exact specifications needed, or worse, end up with bearings that fail prematurely due to substandard steel or imprecise tolerances.
The BDL RNA4928, RNA497A, and RNA498A needle roller bearings address these challenges with ISO 9001-certified manufacturing and a range of models including K115X123X27, K115X125X35, and K115X125X40. Built without inner or outer rings, they excel in applications where space is limited, such as hydraulic cylinder rods and automation equipment conveyors. Our extensive inventory ensures quick delivery—typically 3-7 days—so you can minimize downtime.
These needle roller bearings are engineered for radial load environments, making them ideal for machinery with high radial force requirements but restricted axial space. The closed design protects internal components from contaminants, while the bearing steel construction ensures durability under continuous operation. Whether used in industrial gearboxes or material handling systems, their precision ratings (from P0 to P2) and clearance options (C0, C3, C4) allow customization to specific operating conditions.
The absence of inner and outer rings reduces overall weight and allows direct contact with mating components, increasing load capacity. Bearing steel material provides excellent hardness and wear resistance, critical for withstanding the stresses of heavy radial loads. Precision machining ensures consistent dimensions—like the 115*123*27 mm specification—enabling interchangeability with major international standards. Lubrication flexibility (grease or oil) lets you adapt to operating temperatures and speed requirements, further extending service life.
Selecting substandard needle roller bearings can lead to frequent replacements, unplanned downtime, and even damage to adjacent components. The BDL RNA series minimizes these risks through strict quality control: raw material inspections, dimensional accuracy checks, and hardness testing. By investing in bearings that meet ISO standards, you reduce maintenance costs and improve equipment reliability. For example, the P5 precision rating ensures minimal vibration at high speeds, preventing premature wear in automation systems.
Our manufacturing process adheres to ISO 9001 standards, with comprehensive testing for material composition, dimensional precision, and surface hardness. Every batch undergoes成品检验 to ensure compliance with stated specifications. We offer a warranty against manufacturing defects, with clear terms outlined in each order. As a full-service supplier, we provide both our BDL brand and access to international and domestic brands, ensuring you get the exact bearing you need—whether standard or custom.
Whether you need the RNA4928, RNA497A, RNA498A, or a custom size, provide your required model, dimensions, and quantity, and we’ll deliver a competitive quote with lead time. Our team can also assist with cross-referencing other brands to ensure compatibility with your equipment.
Q: Do you supply other bearing brands and models?
A: Yes, we offer a full range of bearings including international and domestic brands. We can source and supply bearings according to your specific model or dimensional requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (inner diameter x outer diameter x width) or existing model number, and our technical team will verify compatibility with the BDL RNA series.
Q: What is your warranty policy for these needle roller bearings?
A: We provide a warranty against manufacturing defects.具体条款 will be specified in your order confirmation, and defective products can be replaced or refunded within the warranty period.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, including small batches for testing or maintenance needs. Contact us with your requirements for specific MOQ details.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship within 3-7 days. We offer multiple shipping options including express courier, air freight for urgent orders, and sea freight for bulk shipments.
Q: Can you produce custom (OEM/ODM) needle roller bearings?
A: Yes, we support OEM and ODM services.提供 your drawings or specifications, and we can manufacture bearings tailored to your application requirements.
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 us via email or phone for immediate assistance.
Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: BDL RNA4928 RNA497A RNA498A Needle Roller Bearings
-- Related Products
SKF Authorized Engineering Partner
Need technical support or a custom solution?
15+ certified engineers ready to help. Response within 24 hours.
