**TIMKEN® Deep Groove Ball Bearings – Fafnir® Large Imperial Series (XLS, BIC): Precision, Durability & Performance**
For over a century, TIMKEN has been a global leader in engineered bearings and mechanical power transmission solutions, delivering unmatched reliability in the most demanding applications. Among its extensive portfolio, the **Fafnir® Large Imperial Ball Bearings (XLS, BIC series)** stand out as a benchmark for performance in deep groove ball bearing technology. Designed for heavy-duty industrial, automotive, and precision equipment applications, these bearings combine superior materials, precision engineering, and innovative design to maximize service life, reduce friction, and optimize load capacity.
### **Technical Features & Engineering Excellence**
TIMKEN’s **Deep Groove Ball Bearings** in the **XLS (Extra Large Series) and BIC (Bore-In-Cage) configurations** are engineered to handle radial and moderate axial loads with exceptional efficiency. Key features include:
– **High-Grade Steel Construction:** Manufactured from premium alloy steels, these bearings undergo stringent heat treatment processes to enhance hardness, fatigue resistance, and durability under high-stress conditions.
– **Precision Ground Raceways:** Optimized groove geometry ensures smooth rolling motion, minimizing vibration and noise while maintaining consistent performance at high speeds.
– **Robust Cage Designs:** Depending on the series, bearings feature reinforced cages (e.g., machined brass or pressed steel) to withstand heavy loads and harsh operating environments.
– **Sealed & Shielded Options:** Available with contact or non-contact seals/shields to protect against contaminants while retaining lubrication for extended maintenance intervals.
– **Interchangeability:** Conforms to ABMA/ANSI standards, ensuring compatibility with legacy industrial systems.
### **Performance Advantages**
TIMKEN’s Fafnir® Large Imperial Ball Bearings excel where reliability is non-negotiable:
– **Extended Service Life:** Advanced steel cleanliness and surface finish reduce micropitting and wear, even in contaminated environments.
– **High-Speed Capability:** Precision balancing and optimized internal geometry allow for stable operation at elevated RPMs.
– **Versatile Load Handling:** Deep groove design accommodates combined radial and axial loads, making them ideal for applications with dynamic force variations.
– **Reduced Friction & Energy Loss:** Low-torque designs improve efficiency, lowering operational costs in continuous-duty systems.
### **Typical Applications**
These bearings are trusted across industries where precision and robustness are critical:
– **Industrial Machinery:** Pumps, compressors, gearboxes, and conveyor systems requiring high load capacity and resistance to misalignment.
– **Automotive Systems:** Wheel hubs, transmissions, and electric vehicle components demanding low-noise, high-speed performance.
– **Precision Equipment:** Medical devices, robotics, and aerospace actuators where smooth motion and reliability are paramount.
Whether in heavy industrial settings or high-tech applications, TIMKEN’s **Fafnir® Large Imperial Ball Bearings** deliver the durability, precision, and performance that engineers and maintenance professionals rely on. Backed by TIMKEN’s global technical support and warranty assurance, these bearings represent a smart investment in reducing downtime and improving operational efficiency.
For specifications, load ratings, or customization options, consult TIMKEN’s engineering resources to select the optimal bearing solution for your application.
Part Number | d - Bore | D - Outer Diameter | Bearing Width | C0 - Static Radial Rating | Ce - Dynamic Radial Rating | Limiting Speed (Grease) | Limiting Speed (Oil) | Ball Type |
---|---|---|---|---|---|---|---|---|
N/A |
142.85 mm |
22.225 mm |
41902 N |
47151 N |
2480 rpm |
2890 rpm |
STEEL |
|
N/A |
165.1 mm |
22.225 mm |
56937 N |
60941 N |
2110 rpm |
2460 rpm |
STEEL |
|
N/A |
177.775 mm |
25.4 mm |
67168 N |
72506 N |
1950 rpm |
2280 rpm |
STEEL |
|
N/A |
304.8 mm |
38.1 mm |
177484 N |
167253 N |
1120 rpm |
1310 rpm |
STEEL |
|
N/A |
323.85 mm |
41.275 mm |
202394 N |
188160 N |
1060 rpm |
1240 rpm |
STEEL |
|
N/A |
355.6 mm |
44.45 mm |
255773 N |
222856 N |
960 rpm |
1120 rpm |
STEEL |
|
N/A |
368.275 mm |
44.45 mm |
255328 N |
221077 N |
930 rpm |
1080 rpm |
STEEL |
|
N/A |
406.400 mm |
50.8 mm |
315824 N |
256662 N |
840 rpm |
980 rpm |
STEEL |
|
N/A |
685.800 mm |
25.4 mm |
237535 N |
118768 N |
454 rpm |
530 rpm |
STEEL |
|
N/A |
127 mm |
19.05 mm |
31493 N |
36386 N |
2790 rpm |
3260 rpm |
STEEL |
|
N/A |
133.350 mm |
19.05 mm |
35141 N |
38522 N |
2620 rpm |
3060 rpm |
STEEL |