1553537 Spherical Bearing Fits Caterpillar Models
1553537 Spherical Bearing Fits Caterpillar Models
Couldn't load pickup availability
One New Aftermarket Replacement Spherical Bearing for Caterpillar Articulated Dump Trucks and Forestry Equipment
This aftermarket replacement spherical plain bearing (Caterpillar part 1553537 / 155-3537) is a self-aligning bearing designed to accommodate angular misalignment between a shaft and housing in heavy-duty Cat equipment. It is used in articulated dump trucks and track feller bunchers where oscillating movement and high load transfer demand reliable alignment flexibility.
Specifications
- Inner Diameter (ID): 70 mm (2.756 in)
- Outer Diameter (OD): 120 mm (4.724 in)
- Outer Race Length: 45 mm (1.772 in)
- Inner Ring Width: 70 mm (2.756 in)
- Weight: approx. 6.4 lb (2.9 kg)
- Inner and outer rings: steel, manganese-phosphated
Compatible Models
Caterpillar Articulated Dump Trucks: 725, 725C, 725C2, 730, 730C, 730C2, 730C2 EJ, 735, 735B, 735C, 735 OEM, 740, 740 GC, 740B, 740C, 745, 745C, D350E II, D400E II
Caterpillar Ejector Trucks: 730C, 740, 740B, D400E II
Caterpillar Track Feller Bunchers / Forest Machines: 522, 522B, 532, 552, 552 2, 1190T, 1290T, 2391, 2491, TK722, TK732, TK752
Replaces Part Number(s):
1553537, 155-3537
Aftermarket Interchange Numbers
CA1553537
New aftermarket replacement part - not remanufactured, not used.



