Product Description
BEARING assembly
Frequently Asked Questions
Q: What is SKU 49050009 and where is it used on manual pallet jacks?
A: SKU 49050009 is a bearing assembly used on manual pallet jacks and lift trucks. It typically supports the load wheel axles, allowing smooth rotation under full load. This component is compatible with standard manual pallet jacks from Crown, Toyota, Raymond, Yale, and similar OEMs. Verify axle diameter and mounting bore dimensions before ordering.
Q: What are the specifications and material properties of 49050009?
A: 49050009 is a sealed or shielded bearing assembly with precision steel races and balls. The bearing is designed for low-speed, high-load applications typical of pallet jack operation. Materials include hardened alloy steel races and chrome steel balls. The bearing assembly reduces friction and wear on axles while supporting loads up to several thousand pounds depending on the jack model.
Q: How do I know if 49050009 needs replacement?
A: Replace the bearing assembly if you notice grinding noise, excessive wheel wobble, or uneven load distribution on the jack. Difficulty steering, rough rotation, or visible grease leakage from the bearing also indicate wear. Test by lifting the pallet jack and spinning the wheel by hand; movement should be smooth and free from noise or resistance.
Q: How long does a bearing assembly like 49050009 typically last?
A: Under normal warehouse operation with routine maintenance, bearing assemblies typically last 3 to 7 years before degradation. Lifespan depends on operating hours, load consistency, floor conditions, and maintenance. Regular grease application extends life by reducing friction and metal-to-metal contact. Inadequate lubrication can cause failure within months.
Q: Is lubrication required for 49050009, and how often?
A: If 49050009 is not a sealed bearing, apply lithium grease every 3 to 6 months or every 500 operating hours, whichever comes first. Sealed bearings do not require periodic greasing but should be inspected visually. Inadequate lubrication causes accelerated wear, grinding noises, and premature failure. Replace if grease has turned black or contains metal particles.
