Needle Roller Bearings
Needle Roller Bearings NAV4924 120x165x45mm P0-P4 Precision for Industrial Machinery
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ISO 9001:2015
P0-P4 Precision
Factory Direct
Product Detail
Conical Roller Bearings 30203 30302 P0-P4 Precision for Automotive Industrial Applications
Ensure smooth, precise rotation in your automotive and industrial machinery with Conical Roller Bearings 30203 30302—engineered to deliver P0-P4 precision for reliable performance under heavy loads. Crafted from high-grade bearing steel and featuring a separated design for easy installation, these single-row bearings minimize downtime while maximizing durability, even in demanding conditions.
- Precision rating options from P0 to P4 ensure compatibility with high-torque applications like gearboxes and axles
- Open seal design allows flexible lubrication (oil, grease, or dry) to adapt to your specific operational needs
- Outer dimension range (35mm-400mm) and 17*40*12mm specification fit standard industrial and automotive assemblies seamlessly
- Backed by Saifan’s ISO 9001-certified quality control, these bearings reduce maintenance costs and extend equipment service life
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
Free Sample Available
OEM / ODM Support
T/T · L/C · Alibaba
Product Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 30203 30302 |
| Seals Type | Open |
| Lubricate | Oil Grease Dry |
| Precision Rating | P0 P6 P5 P4 P2 |
| Number of Row | Single Row |
| Service | OEM ODM |
| Rolling Body | Roller Bearings |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Outer Dimension | 35mm-400mm |
| Specification | 17*40*12mm |
| Origin | China |
| HS Code | 8482500090 |
| Production Capacity | 100000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmissions, Axle Systems, Steering Components |
| Industrial Machinery | Machine Tools, Gearboxes, Conveyors |
| Agricultural Machinery | Harvesters, Tractors, Tillage Equipment |
| Construction | Excavators, Loaders, Heavy-Duty Pumps |
Prevent Equipment Downtime with Precision Conical Roller Bearings 30203 30302
Manufacturing delays from bearing failures cost businesses thousands daily. Inconsistent quality from low-cost suppliers leads to premature wear, while minimum order requirements force overstocking. When your production line halts due to a failed bearing, every minute counts—especially when replacements are hard to source quickly.
Engineered for Reliability: 30203 & 30302 Conical Roller Bearings
Our Conical Roller Bearings 30203 30302 solve these challenges with precision-engineered performance. As an integrated manufacturer with ISO9001 certification, we deliver P0-P4 precision bearings that meet automotive and industrial standards. With a 1pc MOQ for standard items and 3–5 day sample lead time, we support both emergency repairs and bulk production needs, ensuring your operations stay on track.
Optimal Performance in Demanding Conditions
Conical Roller Bearings excel in applications with combined radial and axial loads, making them ideal for automotive transmissions and industrial gearboxes. The separated design allows easy mounting and adjustment, while single-row construction ensures efficient load distribution. Whether operating in high-speed machinery or heavy agricultural equipment, these bearings maintain stability under varying temperatures and stress, reducing maintenance interruptions.
Technical Excellence That Drives Performance
Precision rating directly impacts equipment accuracy—our P4 grade bearings minimize vibration and noise, critical for precision machine tools. Crafted from high-quality bearing steel, they offer superior wear resistance compared to generic alternatives. The open seal design allows flexibility in lubrication (oil, grease, or dry operation), adapting to specific application requirements. With outer dimensions ranging from 35mm to 400mm and a 17*40*12mm specification for the 30203 model, these bearings fit seamlessly into standard industrial setups.
Why Quality Bearings Reduce Total Cost of Ownership
Choosing substandard conical roller bearings may save upfront costs, but frequent replacements and unplanned downtime erase those savings. Our bearings, backed by a 12-month global warranty, deliver longer service life, reducing maintenance frequency. For automotive manufacturers, compliance with international standards ensures compatibility and safety, avoiding costly recalls. Industrial machinery operators benefit from consistent performance, which lowers energy consumption and extends equipment lifespan—proving that quality bearings are an investment, not an expense.
Your Trusted Bearing Partner Since 2005
With 18 years in the industry, Jinan Saifan Bearing serves global buyers across Europe, America, and Southeast Asia. Our full R&D and QC lab ensure each bearing meets strict quality criteria before shipment. We offer OEM/ODM customization to match unique specifications, supported by free technical guidance. Our 5–15 day bulk delivery and flexible payment options (T/T, credit card, Alibaba trade) streamline procurement. When defects occur, we provide replacement or refund—no hassle, just reliable support.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3–5 day sample lead time for urgent testing
- 5–15 day bulk delivery via DHL, FedEx, or sea freight
- Free samples available (buyer covers freight)
- 1pc MOQ for standard items, ideal for emergency repairs
Get Your Conical Roller Bearings Today
Don’t let bearing issues slow your production. Whether you need 30203, 30302, or custom P4 precision bearings, we have the inventory and expertise to fulfill your order quickly. Send your requirements now—our team will confirm specifications and deliver a quote within 24 hours.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we maintain full supply chain transparency and provide certification for all products, ensuring authenticity and quality compliance.
Q: How do I confirm the right bearing model for my equipment?
A: Share your equipment model or application details, and our technical team will assist with选型确认 to ensure compatibility.
Q: What is your warranty policy?
A: We offer a 12-month global warranty, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both small repairs and large-scale production orders.
Q: How quickly can you ship?
A: Samples ship in 3–5 days, bulk orders in 5–15 days, with flexible logistics options to meet your timeline.
Q: Do you offer OEM/ODM services?
A: Yes, we provide full OEM/ODM customization, including custom specs, materials, and branding to meet specific application needs.
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