Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
Cylindrical Roller Bearing NNU4934 BK/SPW33 SKF 170mm ID for Construction Machinery Precision Applications
ISO 9001 · DIN Certified
<p>Ensure precise performance in construction machinery applications with the <strong>Cylindrical Roller Bearing NNU4934 BK/SPW33 SKF</strong>, a 170mm ID solution engineered to minimize downtime and streamline your workflow. As an official SKF distributor, we deliver this single-row cylindrical roller bearing with full certification and ISO 9001-compliant inspection, eliminating the hassle of coordinating multiple suppliers for critical components.</p><ul><li>Open seal design optimizes lubrication flow for high-torque operations, a technical detail that ensures long-term stability in heavy-duty machinery</li><li>Precision-machined 170mm inner diameter guarantees seamless integration, reducing installation time and alignment errors</li><li>Backed by our premium shockproof logistics, your order arrives consolidated and inspection-ready, simplifying your procurement process from quote to delivery</li></ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NNU4934BK/SPW33 |
| Type | Cylindrical Roller |
| Number of Row | Single Row |
| Inner Diameter | 170 mm |
| Selling Units | Single Item |
| Structure | Cylindrical |
| Seals Type | Open |
| Gross Weight Per | 0.250 Kg Batch |
| Trademark | SKF |
| Origin | China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers, Cranes |
| Industrial Manufacturing | CNC Machine Tools, Gearboxes, Conveyors |
| Heavy Machinery | Presses, Rollers, Material Handling Equipment |
Stop Equipment Downtime with Precision SKF NNU4934BK/SPW33 Cylindrical Roller Bearing
Construction machinery operators know the cost of unexpected downtime—every hour a crane or excavator sits idle eats into project deadlines and profits. Too often, bearing failures stem from substandard components that can’t handle heavy loads or continuous operation. Sourcing the right replacement parts means navigating multiple suppliers, inconsistent quality, and long lead times—adding frustration to already tight schedules.
Genuine SKF Cylindrical Roller Bearing, In Stock for Immediate Shipment
Our SKF NNU4934BK/SPW33 Cylindrical Roller Bearing eliminates these headaches. As an official SKF distributor, we guarantee 100% genuine parts with full traceability. This 170mm ID bearing is designed for precision applications in construction machinery, where reliability under heavy radial loads is non-negotiable. With our sufficient stock of high-precision bearings, we can fulfill orders within one working day, getting your equipment back online faster.
Engineered for Heavy-Duty Construction Machinery Performance
This cylindrical roller bearing excels in harsh construction environments, supporting high radial loads and moderate axial loads in both directions. Its single-row design with an open structure allows for easy maintenance, while the precision manufacturing ensures smooth operation even at high speeds. Whether used in excavator hydraulic systems, loader transmissions, or crane booms, this bearing delivers consistent performance under the dust, vibration, and temperature fluctuations common on job sites.
Key Technical Features That Maximize Equipment Uptime
The NNU4934BK/SPW33’s 170mm inner diameter provides a secure fit for large shafts in heavy machinery, while its cylindrical structure ensures uniform load distribution across the rollers—reducing stress points and extending service life. The open seal type allows for custom lubrication to match specific operating conditions, critical for construction equipment working in varying climates. As a SKF precision bearing, it meets strict tolerances that minimize vibration, lowering noise levels and improving overall machine stability.
Why Authenticity Matters More Than Price
Choosing counterfeit bearings might save money upfront, but the hidden costs are staggering. Substandard materials lead to premature wear, often failing within months instead of years. A single bearing failure in a construction machine can cause secondary damage to gears, shafts, and housings, resulting in repair bills 10–20 times the cost of the bearing itself. Worse, unexpected breakdowns delay projects, risking contract penalties and damaged client relationships. Our genuine SKF bearing, backed by ISO 9001 and DIN standards, ensures predictable performance and long-term reliability—lowering your total cost of ownership.
Why 800+ Global Clients Trust Our Bearing Solutions
As an official authorized SKF distributor, we maintain direct access to SKF’s global supply chain, ensuring every bearing we sell is fully traceable to the factory. Our precision-oriented inspection system checks each unit before shipment, verifying dimensions and quality against SKF’s strict standards. With senior application engineers on staff, we provide personalized support—from confirming the right bearing model for your equipment to offering installation guidance. We serve clients in 45+ countries, including leading construction machinery manufacturers, with premium shockproof logistics that protect bearings during transit. For emergency needs, our one-stop procurement process consolidates orders across brands, reducing communication delays and ensuring fast delivery.
Packaging & Shipping
- Original SKF packaging with product certification and traceability documents
- Reinforced outer carton for shock protection during transportation
- Standard delivery: 3–7 business days via DHL, FedEx, or UPS
- Real-time tracking provided for all shipments
- Minimum order quantity: 1 piece, ideal for emergency repairs and small-batch requirements
Get Your Construction Machinery Back to Work—Order Today
Don’t let bearing issues slow down your project. Our SKF NNU4934BK/SPW33 Cylindrical Roller Bearing is in stock and ready to ship. Send us your order details, and our team will confirm availability and provide a quote within 24 hours. The sooner you replace worn bearings, the sooner you can resume operations and meet your deadlines.
Frequently Asked Questions
Q: Is this bearing 100% genuine SKF?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with original packaging and traceability documents to verify authenticity.
Q: How do I confirm this bearing fits my equipment?
A: Provide your machine model or existing bearing number, and our application engineers will cross-verify compatibility at no cost.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty against defects in materials and workmanship. We handle warranty claims directly with SKF for quick resolution.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making it easy to source emergency replacement parts.
Q: How long does shipping take?
A: In-stock bearings ship within 1 business day. Delivery typically takes 3–7 days to most countries via express courier.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Check for the SKF logo on the bearing and packaging, scan the QR code for traceability, and request a copy of our official authorization certificate if needed.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Related Products
More Cylindrical Roller Bearing
Cylindrical Roller Bearing
High Precision FAG HS7001-E-T-P4s-UL Spindle Bearing for CNC Machine Tools with ISO P4/P2 Precision
View Details
Inquiry
Get Pricing &
Technical Support
Submit your inquiry for Cylindrical Roller Bearing NNU4934 BK/SPW33 SKF 170mm ID for Construction Machinery Precision Applications and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
Reply Within 12 Hours
Senior engineers, multi-language support
Full Certification Docs
ISO 9001, DIN 620, material certs available