Product Description
Precision ball bearing assembly for manual pallet jack steering or load wheel applications. OEM part number 3044660. Manufactured from SAE 52100 chrome steel with double rubber seals (2RS type). Bearing dimensions: 20 mm inside diameter, 47 mm outside diameter, 14 mm width. Rated for 2530 lbs static, 1480 lbs dynamic load. Maximum speed 9,000 RPM. Compatible with select manual pallet jack models. No manufacturer-verified cross-reference part numbers available.
Specifications
Material & Construction
| Ball Material | High-carbon chromium steel, through-hardened |
| Outer Ring Material | SAE 52100 chrome steel |
| Seals | 2RS rubber seal type |
Part Numbers
| OEM Part Number | 3044660 |
Frequently Asked Questions
Q: What are the specifications of bearing 3044660?
A: The 3044660 measures 20 mm inner diameter × 47 mm outer diameter × 14 mm width. It is rated for 2530 lbs static load and 1480 lbs dynamic load capacity. Maximum safe operating speed is 9000 RPM. These ratings are designed for manual pallet jack steering and load wheel duty.
Q: What material and construction does the 3044660 bearing use?
A: The 3044660 ball bearing is manufactured from SAE 52100 chrome steel with balls constructed of high-carbon chromium steel that is through-hardened. This material combination provides superior wear resistance and load capacity compared to standard bearing steel.
Q: What seal type does the 3044660 bearing have?
A: The 3044660 features 2RS (double rubber seal) seals on both sides of the bearing. The 2RS designation means each side has a rubber contact seal that rides against the bearing inner race, creating a labyrinth effect that blocks water, salt, and contaminants.
Q: Which pallet jack models is the 3044660 bearing compatible with?
A: The 3044660 is compatible with select manual pallet jack models from major OEM manufacturers. Verify your equipment has a 20 mm bore and matches the 47 mm outer diameter before ordering. No manufacturer-verified cross-reference part numbers are available.
Q: What is the difference between the 3044660 and standard warehouse bearings?
A: The 3044660 is precision-grade with SAE 52100 chrome steel construction and 2RS seals, making it more corrosion-resistant and durable than standard bearing assemblies. The through-hardened steel balls and chrome steel races extend service life and load capacity in demanding warehouse conditions.
Q: When should the 3044660 bearing be replaced?
A: Replace the bearing if you notice grinding, clicking, or roughness during rotation; excessive play in the wheel; resistance to movement; or deterioration of the rubber seals. High-quality bearings like the 3044660 deliver extended service life but still require routine inspection for wear and contamination.
