Product Description
CUP, BEARING
Specifications
Product Overview
| Part Number | 90368-19037-77 |
| Cross-Reference Numbers | LM11949/10 (FAG, FBJ, Koyo equivalent) |
Physical Specifications
| Component Type | Tapered Roller Bearing Cup |
| Material | Through-hardened bearing steel (ASTM-grade alloy) |
| Hardness | Precision-hardened for bearing raceway applications |
| Construction | Precision-ground raceway for rolling element contact |
Compatibility
| Compatible Bearing Cone | 90363-17050 (or equivalent LM11949/10 series) |
| Equipment Category | Electric lift trucks, forklifts, pallet jacks |
| Application | Wheel hub bearing assembly |
Frequently Asked Questions
Q: What is the 90368-19037-77 bearing cup and how does it differ from 90368-19037?
A: The 90368-19037-77 is a variant designation of the tapered roller bearing cup, with the -77 suffix indicating a specific manufacturing batch, OEM build code, or dimensional tolerance specification. The core bearing cup function and design remain consistent with standard 90368-19037 parts. Verify with your equipment documentation whether the -77 variant is required for your specific pallet jack model.
Q: Is the 90368-19037-77 interchangeable with 90368-19037?
A: The 90368-19037-77 and 90368-19037 are typically interchangeable based on tapered roller bearing dimensioning standards. However, the -77 designation may indicate a specific OEM build sequence or tolerance class. Confirm with your equipment documentation or serial number that the -77 variant matches your pallet jack model to avoid fit issues.
Q: What material is the 90368-19037-77 bearing cup manufactured from?
A: The 90368-19037-77 is manufactured from through-hardened ASTM-grade bearing steel designed for tapered roller bearing applications. This alloy steel formulation provides high hardness, wear resistance, and fatigue strength. The precision-ground raceway ensures accurate rolling element contact and load distribution.
Q: What cross-reference part numbers are equivalent to 90368-19037-77?
A: The 90368-19037-77 is equivalent to the LM11949/10 series bearing cup from manufacturers such as FAG, FBJ, and Koyo. When sourcing cross-reference parts, confirm the -77 OEM build code is available. If exact -77 variants are unavailable, standard 90368-19037 cups meeting the same dimension and tolerance standards are acceptable.
Q: Which bearing cone assembly pairs with the 90368-19037-77 cup?
A: The 90368-19037-77 cup must be paired with a matching tapered roller bearing cone. The standard cone for Toyota applications is the 90363-17050 or equivalent LM11949/10 cone from FAG, FBJ, or Koyo. Always replace cups and cones as matched bearing sets to ensure proper alignment and load distribution.
Q: How can I verify that 90368-19037-77 is the correct part for my pallet jack?
A: Locate your pallet jack model and serial number. Cross-reference the current bearing cup part number on your equipment. If it reads 90368-19037-77 or equivalent, that is your correct replacement. When ordering, provide your equipment model, serial number, and current bearing part number to confirm the -77 variant is required for your specific application.