Timken® Single RowAngular Contact Ball Bearings (7200, 7300)

**TIMKEN® Single Row Angular Contact Ball Bearings (7200, 7300 Series): Precision Performance for Demanding Applications**

TIMKEN® Single Row Angular Contact Ball Bearings (7200 and 7300 series) are engineered to deliver exceptional performance in applications requiring high-speed operation, precise axial load handling, and reliable radial support. Designed with advanced materials and precision manufacturing techniques, these bearings excel in industrial machinery, automotive systems, and precision equipment where durability, efficiency, and accuracy are critical.

### **Technical Features & Design Advantages**

TIMKEN’s 7200 and 7300 series angular contact ball bearings feature a single-row design with a contact angle optimized to handle combined radial and axial loads. Key technical attributes include:

– **Optimized Contact Angle (Typically 15°-40°)** – Enables efficient management of axial and radial loads simultaneously, reducing stress and extending service life.
– **High-Grade Steel Construction** – Manufactured from premium alloy steel for superior hardness, fatigue resistance, and wear protection.
– **Precision-Ground Raceways & Balls** – Ensures smooth operation, reduced friction, and minimal vibration, critical for high-speed applications.
– **Cage Options (Steel, Brass, or Polymer)** – Customizable cages enhance performance in different environments, from high temperatures to corrosive conditions.
– **Sealed & Shielded Variants Available** – Protects against contaminants while retaining lubrication, ideal for harsh industrial or automotive settings.

### **Performance Benefits**

TIMKEN’s angular contact ball bearings provide several key advantages:

– **High-Speed Capability** – Low friction and balanced internal geometry allow for smooth operation at elevated RPMs, making them ideal for machine tool spindles and turbochargers.
– **Enhanced Load Capacity** – The angular contact design distributes loads more effectively than standard deep groove bearings, improving longevity under heavy or dynamic forces.
– **Rigidity & Accuracy** – Precision tolerances ensure consistent performance in applications requiring tight axial positioning, such as robotics and CNC machinery.
– **Reduced Maintenance Needs** – Advanced sealing options and high-quality lubricants extend relubrication intervals, lowering downtime.

### **Typical Applications**

TIMKEN’s 7200 and 7300 series bearings are widely used across industries, including:

– **Industrial Machinery:** Machine tool spindles, pumps, compressors, and gearboxes where high-speed and axial rigidity are essential.
– **Automotive Systems:** Wheel hubs, transmissions, and turbochargers that demand durability under combined loads.
– **Precision Equipment:** Robotics, medical devices, and aerospace components requiring exacting tolerances and smooth motion control.

By combining robust engineering with TIMKEN’s legacy of reliability, these angular contact ball bearings provide a trusted solution for applications where performance and precision cannot be compromised. Whether in extreme industrial environments or high-performance automotive systems, TIMKEN’s 7200 and 7300 series bearings deliver unmatched efficiency and longevity.

For more details on specifications, load ratings, and customization options, consult TIMKEN’s technical documentation or contact their engineering support team.

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Part Number d - Bore D - Outer Diameter Bearing Width Contact Angle C0 - Static Radial Rating C1 ISO - Dynamic Radial Rating Cage Type Cage Material
7318 BM/UL
90 mm
190 mm
43 mm
40 º
135000 N
156000 N
Machined
Brass
7322 BM/CN
110 mm
240 mm
50 mm
40 º
207000 N
213000 N
Machined
Brass
7318 BJ
90 mm
190 mm
43 mm
40 º
124000 N
147400 N
Molded
Steel
7322 BJ
110 mm
240 mm
50 mm
40 º
206500 N
213000 N
Molded
Steel
7219 BM/CN
95 mm
170 mm
32 mm
40 º
100700 N
115800 N
Machined
Brass
7224 BM/CN
120 mm
215 mm
40 mm
40 º
162000 N
165000 N
Machined
Brass
7219 BJ
95 mm
170 mm
32 mm
40 º
100700 N
115800 N
Molded
Steel
7224 BJ
120 mm
215 mm
40 mm
40 º
161400 N
165400 N
Molded
Steel
7319 BM/CN
95 mm
200 mm
45 mm
40 º
141300 N
162300 N
Machined
Brass
7226 BM/CN
130 mm
230 mm
40 mm
40 º
174000 N
171000 N
Machined
Brass
7319 BJ
95 mm
200 mm
45 mm
40 º
141300 N
162300 N
Molded
Steel
7226 BJ
130 mm
230 mm
40 mm
40 º
174000 N
174000 N
Molded
Steel
7220 BM/CN
100 mm
180 mm
34 mm
40 º
114000 N
130000 N
Machined
Brass
7220 BJ
100 mm
180 mm
34 mm
40 º
114000 N
130000 N
Molded
Steel
7320 BM/CN
100 mm
215 mm
47 mm
40 º
178000 N
190000 N
Machined
Brass
7320 BJ
100 mm
215 mm
47 mm
40 º
178000 N
190000 N
Molded
Steel
7221 BM/CN
105 mm
190 mm
36 mm
40 º
120000 N
136000 N
Machined
Brass
7221 BJ
105 mm
190 mm
36 mm
40 º
129000 N
142000 N
Molded
Steel
7317 BTN1
85 mm
180 mm
41 mm
40 º
122000 N
145400 N
Molded
Polyamide
7321 BM/CN
105 mm
225 mm
49 mm
40 º
180000 N
190000 N
Machined
Brass