Fafnir® Deep Groove Ball Bearings

**TIMKEN® Deep Groove Ball Bearings: Precision, Durability & Performance for Demanding Applications**

TIMKEN® Deep Groove Ball Bearings, including the renowned **Fafnir® 9100K, 200K, and 300K series**, represent the pinnacle of engineering excellence in radial load handling, high-speed operation, and long service life. Designed for industrial machinery, automotive systems, and precision equipment, these bearings deliver unmatched reliability under rigorous operating conditions. With advanced materials, precision manufacturing, and optimized internal geometries, TIMKEN’s deep groove ball bearings ensure smooth motion, reduced friction, and extended performance—even in high-temperature or contaminated environments.

### **Technical Features & Performance Advantages**

1. **Superior Load Capacity & Efficiency**
– Engineered with deep raceway grooves for optimal radial and moderate axial load distribution.
– High-grade steel construction (including chrome alloy variants) enhances fatigue resistance and load-bearing capacity.
– Precision-ground balls and raceways minimize friction, reducing energy loss and heat generation.

2. **High-Speed Capability**
– Optimized internal clearances and cage designs (such as pressed steel or polymer retainers) ensure stability at elevated RPMs.
– Low torque characteristics make them ideal for electric motors, pumps, and automotive components.

3. **Sealed & Shielded Options for Contamination Resistance**
– Available with **rubber seals (RS/2RS) or metal shields (ZZ)** to protect against dust, moisture, and debris.
– Extended relubrication intervals reduce maintenance demands in harsh industrial environments.

4. **Precision Tolerance & Quiet Operation**
– Manufactured to **ABEC-1, ABEC-3, or higher tolerances** for applications requiring tight dimensional control (e.g., medical devices, robotics).
– Smooth surface finishes reduce vibration and noise in sensitive equipment.

### **Typical Applications**
TIMKEN’s **9100K, 200K, and 300K series** deep groove ball bearings are trusted across industries:

– **Industrial Machinery:** Electric motors, gearboxes, conveyors, and HVAC systems.
– **Automotive Systems:** Alternators, wheel hubs, transmissions, and auxiliary drives.
– **Precision Equipment:** Medical devices, robotics, and aerospace actuators.

### **Why Choose TIMKEN?**
With over a century of bearing innovation, TIMKEN combines rigorous testing, metallurgical expertise, and application-specific engineering to deliver solutions that outperform industry standards. Whether for heavy-duty industrial use or high-precision motion control, **Fafnir® Deep Groove Ball Bearings** provide the durability and efficiency needed to keep operations running smoothly.

For demanding applications where failure is not an option, TIMKEN’s deep groove ball bearings offer the perfect balance of **strength, speed, and longevity**. Explore the **9100K, 200K, and 300K series** to find the ideal solution for your machinery’s needs.

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Part Number d - Bore D - Outer Diameter Bearing Width Ce - Dynamic Radial Rating C0 - Static Radial Rating Limiting Speed (Grease) Limiting Speed (Oil) Ball Type
204K
20 mm
47 mm
14 mm
11877 N
5560 N
8960 rpm
10450 rpm
STEEL
303K
17 mm
47 mm
14 mm
14991 N
6539 N
9370 rpm
10940 rpm
STEEL
9105K
25 mm
47 mm
12 mm
11165 N
5872 N
8330 rpm
9720 rpm
STEEL
204KTT
20 mm
47 mm
20.64 mm
14200 N
6580 N
8955 rpm
10448 rpm
STEEL
H204KDD
20 mm
47 mm
14 mm
14200 N
6580 N
8955 rpm
10448 rpm
STEEL
204KD
20 mm
47 mm
14 mm
14200 N
6580 N
8955 rpm
10448 rpm
STEEL
204KDD
20 mm
47 mm
14 mm
14200 N
6580 N
8955 rpm
10448 rpm
STEEL
W204KLL
20 mm
47 mm
20.62 mm
14200 N
6580 N
8955 rpm
10448 rpm
STEEL
9105KD
25 mm
47 mm
12 mm
11200 N
5850 N
8333 rpm
9722 rpm
STEEL
9105KDD
25 mm
47 mm
12 mm
11200 N
5850 N
8333 rpm
9722 rpm
STEEL
34K
4 mm
16 mm
5 mm
1640 N
610 N
27544 rpm
32135 rpm
STEEL
36PP
6 mm
19 mm
6 mm
2480 N
900 N
23528 rpm
27449 rpm
STEEL
36K
6 mm
19 mm
6 mm
2480 N
900 N
23528 rpm
27449 rpm
STEEL
S1K
6.35 mm
19 mm
5.558 mm
2920 N
960 N
27544 rpm
32135 rpm
STEEL
37K
7 mm
22 mm
7 mm
3690 N
1470 N
19050 rpm
22225 rpm
STEEL
37KD
7 mm
22 mm
7 mm
3690 N
1470 N
19050 rpm
22225 rpm
STEEL
38K
8 mm
22 mm
7 mm
3660 N
1370 N
20000 rpm
23333 rpm
STEEL
38KD
8 mm
22 mm
7 mm
3660 N
1370 N
20000 rpm
23333 rpm
STEEL
38PP
8 mm
22 mm
7 mm
3660 N
1370 N
20000 rpm
23333 rpm
STEEL
S3KD
9.525 mm
22.23 mm
7.142 mm
3700 N
1410 N
18748 rpm
21872 rpm
STEEL
S3PP
9.525 mm
22.23 mm
7.142 mm
3700 N
1410 N
18748 rpm
21872 rpm
STEEL
39K
9 mm
26 mm
8 mm
5080 N
1970 N
16668 rpm
19446 rpm
STEEL
39KDD
9 mm
26 mm
8 mm
5080 N
1970 N
16668 rpm
19446 rpm
STEEL
9100K
10 mm
26 mm
8 mm
5080 N
1970 N
16667 rpm
19444 rpm
STEEL