Deep Groove Ball Bearing

**TIMKEN Deep Groove Ball Bearings (6000, 6200, 6300, 6400 Series) – Precision, Durability & Performance**

TIMKEN’s Deep Groove Ball Bearings are engineered to deliver exceptional reliability and efficiency in a wide range of industrial, automotive, and precision applications. Designed for high-speed operation, radial load capacity, and long service life, these bearings are a cornerstone of mechanical power transmission systems. The 6000, 6200, 6300, and 6400 series represent some of the most widely used configurations, offering versatility across demanding environments.

### **Technical Features & Design Advantages**
TIMKEN Deep Groove Ball Bearings feature a robust single-row design with deep raceway grooves, enabling them to handle both radial and moderate axial (thrust) loads simultaneously. Key attributes include:

– **Optimized Raceway Geometry:** Precision-machined grooves ensure smooth rolling motion, reducing friction and heat generation.
– **High-Grade Steel Construction:** Manufactured from premium chrome steel (SAE 52100) or specialty alloys, these bearings provide superior hardness, wear resistance, and fatigue life.
– **Sealed & Shielded Options:** Bearings are available with rubber seals (RS, 2RS) or metal shields (ZZ) to protect against contaminants and retain lubrication, extending maintenance intervals.
– **Precision Tolerances:** Available in ABEC-1 to ABEC-3 precision classes for applications requiring tight running accuracy.
– **Cage Options:** Steel or polymer cages minimize friction and maintain ball alignment at high speeds.

### **Performance Benefits**
TIMKEN’s Deep Groove Ball Bearings excel in performance-critical applications due to:

– **High-Speed Capability:** Low friction and balanced internal geometry allow for smooth operation at elevated RPMs.
– **Extended Service Life:** Advanced heat treatment and surface finishing reduce micropitting and spalling, even under continuous loads.
– **Reduced Energy Consumption:** Efficient rolling dynamics lower torque requirements, improving system energy efficiency.
– **Quiet Operation:** Precision grinding and optimized internal clearances minimize vibration and noise in sensitive equipment.

### **Typical Applications**
These bearings are integral to numerous industries, including:

– **Industrial Machinery:** Electric motors, pumps, gearboxes, and conveyors where radial load support is critical.
– **Automotive Systems:** Alternators, wheel hubs, transmissions, and auxiliary drives requiring high-speed durability.
– **Precision Equipment:** Medical devices, robotics, and aerospace actuators demanding low noise and vibration.
– **HVAC & Appliances:** Fans, blowers, and compressors where sealed bearings prevent lubricant leakage.

TIMKEN’s 6000, 6200, 6300, and 6400 series Deep Groove Ball Bearings combine decades of metallurgical expertise with rigorous quality control, ensuring consistent performance in the most challenging conditions. Whether for OEMs or maintenance replacements, these bearings provide a cost-effective solution without compromising on reliability or efficiency.

For applications demanding precision, longevity, and reduced downtime, TIMKEN’s Deep Groove Ball Bearings stand as a trusted choice across global industries.

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Part Number Bore Size d Features Bearing Type Outside Diameter D Outside Ring Width B Cr - Dynamic Load Rating C0r - Static Load Rating Grease Reference Speed Oil Reference Speed
6003-ZZ
17 mm
Shields
Standard DGBB
35 mm
10 mm
6000 N
6000 N
19000 rpm
28000 rpm
6303-NR
17 mm
Snap Ring
Standard DGBB
47 mm
14 mm
13600 N
13600 N
15000 rpm
22000 rpm
6304-2RS
20 mm
Contact Seals
Standard DGBB
52 mm
15 mm
15900 N
15900 N
13000 rpm
20000 rpm
6003-2RS
17 mm
Contact Seals
Standard DGBB
35 mm
10 mm
6000 N
6000 N
19000 rpm
28000 rpm
6004
20 mm
Open
Standard DGBB
42 mm
12 mm
9400 N
9400 N
17000 rpm
25000 rpm
6304-N
20 mm
O.D. Groove
Standard DGBB
52 mm
15 mm
15900 N
15900 N
13000 rpm
20000 rpm
6003-2RZ
17 mm
Non-Contact Seals
Standard DGBB
35 mm
10 mm
6000 N
6000 N
19000 rpm
28000 rpm
6004-ZZ
20 mm
Shields
Standard DGBB
42 mm
12 mm
9400 N
9400 N
17000 rpm
25000 rpm
6003-N
17 mm
O.D. Groove
Standard DGBB
35 mm
10 mm
6000 N
6000 N
19000 rpm
28000 rpm
6004-2RS
20 mm
Contact Seals
Standard DGBB
42 mm
12 mm
9400 N
9400 N
17000 rpm
25000 rpm
6003-NR
17 mm
Snap Ring
Standard DGBB
35 mm
10 mm
6000 N
6000 N
19000 rpm
28000 rpm
6004-2RZ
20 mm
Non-Contact Seals
Standard DGBB
42 mm
12 mm
9400 N
9400 N
17000 rpm
25000 rpm
6203
17 mm
Open
Standard DGBB
40 mm
12 mm
9600 N
9600 N
17000 rpm
25000 rpm
6004-N
20 mm
O.D. Groove
Standard DGBB
42 mm
12 mm
9400 N
9400 N
17000 rpm
25000 rpm
6203-ZZ
17 mm
Shields
Standard DGBB
40 mm
12 mm
9600 N
9600 N
17000 rpm
25000 rpm
6004-NR
20 mm
Snap Ring
Standard DGBB
42 mm
12 mm
9400 N
9400 N
17000 rpm
25000 rpm
6203-2RS
17 mm
Contact Seals
Standard DGBB
40 mm
12 mm
9600 N
9600 N
17000 rpm
25000 rpm
6204
20 mm
Open
Standard DGBB
47 mm
14 mm
12800 N
12800 N
15000 rpm
22000 rpm
6203-2RZ
17 mm
Non-Contact Seals
Standard DGBB
40 mm
12 mm
9600 N
9600 N
17000 rpm
25000 rpm
6204-ZZ
20 mm
Shields
Standard DGBB
47 mm
14 mm
12800 N
12800 N
15000 rpm
22000 rpm