Spherical Roller Bearings – Brass Cage

TIMKEN Product Introduction

**TIMKEN Spherical Roller Bearings with Brass Cage: Engineered for Durability and High Performance**

TIMKEN Spherical Roller Bearings with brass cages represent a pinnacle of engineering excellence, designed to deliver unmatched reliability in demanding industrial and automotive applications. These bearings are built to accommodate heavy radial and axial loads while compensating for misalignment, making them indispensable in harsh operating environments. The incorporation of a high-strength brass cage enhances performance, ensuring smooth operation, reduced friction, and extended service life—even under extreme conditions.

### **Technical Features & Design Advantages**
TIMKEN’s Spherical Roller Bearings are precision-engineered with a self-aligning design, allowing them to tolerate shaft misalignment up to **±3 degrees**, which minimizes stress concentrations and prevents premature failure. The **brass cage (also known as a brass retainer)** plays a critical role in these bearings by offering superior mechanical stability, excellent heat dissipation, and resistance to wear compared to steel or polymer cages.

Key technical attributes include:
– **High Load Capacity:** Optimized roller geometry and premium steel construction enable these bearings to handle heavy radial and axial loads simultaneously.
– **Enhanced Lubrication Retention:** The brass cage aids in maintaining proper lubricant distribution, reducing metal-to-metal contact and wear.
– **Thermal & Corrosion Resistance:** Brass provides inherent resistance to high temperatures and corrosive environments, making these bearings ideal for applications exposed to moisture, dust, or chemicals.
– **Low Maintenance & Longevity:** The robust cage design minimizes friction and prevents roller skewing, significantly extending bearing life even in high-speed applications.

### **Performance Advantages in Industrial & Automotive Systems**
TIMKEN Spherical Roller Bearings with brass cages excel in applications where reliability and durability are non-negotiable. Their ability to operate under misaligned conditions reduces downtime in heavy machinery, while their resistance to thermal expansion ensures consistent performance in high-temperature settings.

### **Typical Applications**
– **Industrial Machinery:** Used in gearboxes, crushers, mining equipment, and conveyor systems where shock loads and misalignment are common.
– **Automotive & Heavy Vehicles:** Ideal for wheel hubs, transmissions, and drivetrains in trucks, buses, and off-highway vehicles.
– **Precision Equipment:** Applied in paper mills, wind turbines, and steel processing lines where alignment flexibility and load capacity are critical.

By combining advanced metallurgy, precision manufacturing, and innovative cage design, TIMKEN’s Spherical Roller Bearings with brass cages set the benchmark for performance in mechanical power transmission. Whether in high-load industrial systems or precision automotive components, these bearings ensure **longer service life, reduced maintenance costs, and superior operational efficiency**.

For industries that demand resilience under pressure, TIMKEN continues to deliver solutions that keep machinery running smoothly—proving once again why it is a trusted name in power transmission technology.

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Part Number d - Bore D - Outer Diameter B - Outer Ring Width C0 - Static Radial Rating C1(2) - Dynamic Radial Rating (Two-Rows) Reference Thermal Speed Rating (Grease) Reference Thermal Speed Rating (Oil) Cage Type Cage Material
231/530KYMBW906AC3
530 mm
870 mm
272 mm
15100000 N
8530000 N
310 rpm
340 rpm
YMB
Brass
231/530YMBW33W45
530 mm
870 mm
272 mm
15100000 N
8530000 N
310 rpm
340 rpm
YMB
Brass
231/530YMBW33W45A
530 mm
870 mm
272 mm
15100000 N
8530000 N
310 rpm
340 rpm
YMB
Brass
231/530YMBW33W45AC3
530 mm
870 mm
272 mm
15100000 N
8530000 N
310 rpm
340 rpm
YMB
Brass
231/530YMBW33W45C6
530 mm
870 mm
272 mm
15100000 N
8530000 N
310 rpm
340 rpm
YMB
Brass
241/530KYMDW33W45A
530 mm
870 mm
335 mm
19100000 N
10300000 N
180 rpm
190 rpm
YMD
Brass
239/500YMBW509C08C3
500 mm
670 mm
128 mm
6060000 N
2910000 N
520 rpm
610 rpm
YMB
Brass
239/500YMBW915C3
500 mm
670 mm
128 mm
6060000 N
2910000 N
520 rpm
610 rpm
YMB
Brass
239/500KYMBW33C08C3
500 mm
670 mm
128 mm
6060000 N
2910000 N
520 rpm
610 rpm
YMB
Brass
230/500KYMBW906A
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
230/500KYMBW906AC3
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
230/500YMBW25BW534
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
230/500YMBW25XW507C3
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
230/500YMBW509C08
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
230/500YMBW509C08C3
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
240/500KYMBW910C3
500 mm
720 mm
218 mm
11200000 N
5510000 N
350 rpm
390 rpm
YMB
Brass
240/500KYMBW911C3
500 mm
720 mm
218 mm
11200000 N
5510000 N
350 rpm
390 rpm
YMB
Brass
240/500YMBW25W507C3
500 mm
720 mm
218 mm
11200000 N
5510000 N
350 rpm
390 rpm
YMB
Brass
240/500YMBW33W45A
500 mm
720 mm
218 mm
11200000 N
5510000 N
350 rpm
390 rpm
YMB
Brass
240/500YMBW33W45AC3
500 mm
720 mm
218 mm
11200000 N
5510000 N
350 rpm
390 rpm
YMB
Brass
230/500KYMBW507C08C6
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
230/500YMBW906AW94AC3
500 mm
720 mm
167 mm
8160000 N
4290000 N
510 rpm
580 rpm
YMB
Brass
231/500KYMBW33W45A
500 mm
830 mm
264 mm
13900000 N
7880000 N
330 rpm
360 rpm
YMB
Brass
231/500KYMBW906A
500 mm
830 mm
264 mm
13900000 N
7880000 N
330 rpm
360 rpm
YMB
Brass