Product Specifications
| Parameter |
Details |
| Model NO. |
21322, 23020, 23022, 23024, 23026, 23028 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Rolling Body |
Roller Bearings |
| The Number of Rows |
Double |
| Material |
Bearing Steel |
| Spherical |
Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Specification |
100*180*46 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Paper Manufacturing |
Paper Making Machinery, Printing Presses |
| Industrial Machinery |
Machine Tools, Gearboxes, Conveyors |
Reduce Paper Machinery Downtime with Reliable Self-Aligning Roller Bearings 21322-23028
Paper production lines can’t afford unexpected shutdowns caused by bearing failures. Misalignment issues in heavy machinery often lead to premature wear, while sourcing delays for critical components like 23020 or 23028 bearings can halt operations for days. As manufacturers serving global paper mills since 2005, we understand how these challenges impact your bottom line.
Self-Aligning Roller Bearings for Paper Machinery: In Stock and Engineered to Last
Our Self-Aligning Roller Bearings are specifically designed to address the unique demands of paper making machinery. With rich stocks available for models including 21322, 23020, and 23028, we offer 1pc MOQ for standard items and 3-5 days sample lead time to keep your production on schedule. The double-row roller design accommodates radial loads and misalignment, ensuring stable performance in press rollers and drying cylinders where precision matters most.
Optimal Performance in Paper Manufacturing Conditions
Paper making machinery operates under constant heavy loads and variable speeds, requiring bearings that balance durability and precision. Our P0 precision bearings with C3 clearance provide the ideal combination for these conditions—minimizing vibration while allowing thermal expansion during continuous operation. Whether handling pulp processing equipment or high-speed printing presses, these self-aligning roller bearings maintain alignment even with shaft deflection, reducing maintenance needs.
Key Technical Features That Drive Reliability
The bearing steel construction ensures high load capacity and resistance to wear, critical for the 24/7 operation of paper mills. Precision ratings from P0 to P4 allow customization based on your equipment’s accuracy requirements—P0 for general applications and higher grades for precision machinery. Clearance options (C0, C3, C4) let you optimize for temperature variations: C3 clearance is particularly effective in paper drying sections where heat causes expansion, preventing seizure and extending service life.
Why Authenticity Matters for Your Production Line
Using non-genuine bearings in paper machinery creates hidden costs: premature failures lead to unplanned downtime, emergency repairs, and potential damage to expensive equipment. Our bearings meet ISO9001 standards, with strict QC lab testing before shipment. Unlike low-quality alternatives, each unit is manufactured to precise tolerances, ensuring consistent performance and reducing the risk of sudden breakdowns during peak production periods.
Why Paper Manufacturers Choose Saifan Bearings
With 18 years of experience as an integrated bearing manufacturer and exporter, we serve clients across Europe, America, and Southeast Asia. Our ISO14001 certified production facilities ensure environmental compliance, while a full R&D team continuously improves bearing design for industrial applications. We offer a 12-month global warranty, free technical guidance, and defect replacement—backed by a responsive after-sales team that understands the urgency of paper production timelines. Our track record includes supplying custom solutions to major industrial equipment manufacturers, with bulk delivery times of 5-15 days for urgent orders.
Packaging & Shipping
- Carton pallet packaging with protective inner layers to prevent damage during transit
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days after order confirmation
- Transport options: by Sea or by Air based on your urgency and location
- 1pc MOQ available for emergency repairs and small-batch requirements
Get Your Paper Machinery Bearings Delivered Fast
Don’t let bearing issues slow down your production. Whether you need 21322, 23020, or 23028 bearings, our ready stock and efficient shipping ensure minimal downtime. Send us your exact model and quantity requirements today—our team will confirm availability and provide a quote within 24 hours.
Frequently Asked Questions
Q: Are these bearings suitable for high-temperature paper drying equipment?
A: Yes, with C3 clearance options, our bearings accommodate thermal expansion in high-temperature sections, maintaining performance in drying cylinders and heat rollers.
Q: How do I confirm if the 23028 bearing fits my specific paper machine model?
A: Provide your equipment model or shaft dimensions (100*180*46 mm for the listed specification), and our technical team will verify compatibility and suggest optimal clearance and precision等级.
Q: What warranty coverage do you offer for these bearings?
A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we offer free replacement or refund.
Q: Can I order a single 21322 bearing for emergency repair?
A: Yes, we accept 1pc MOQ for standard items, ideal for urgent maintenance needs to minimize production downtime.
Q: How quickly can you ship to European paper mills?
A: For in-stock models, air shipping to Europe takes 3-7 days, while sea freight options are available for bulk orders to balance cost and delivery time.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
