The JCB 90751900 is a genuine OEM taper roller bearing designed for heavy-duty applications in JCB machinery. This robust bearing features a 45mm inner diameter, an 85mm outer diameter, and a 20mm width, ensuring precise fitment and reliable performance. It is commonly used across a wide range of JCB equipment, including 3CX, 4CX, 5CX backhoe loaders, 520, 525, 526, 527, 528, 530, 531, 532, 533, 535, 536, 537, 540, 541, 550 telehandlers, 406, 407, 408, 409, 410, 411, 412, 414, 416, 418, 426, 434, 436, 456 wheel loaders, JS series excavators, 80 series mini excavators, 135, 155, 175, 190, 205, 225, 260, 280, 300, 325 skid steer loaders, and Fastrac tractors.