CATBearing & Bushing

5P3930 Bearing Needle — Cat 517 527

This is a needle bearing designed for applications requiring high load capacity in a compact space, typically found in pivot points or shaft supports. It is constructed from hardened steel to withstand significant radial loads and friction, offering superior durability over a worn bearing that would exhibit increased play and noise. Operators may notice excessive play in the connected component, difficulty in articulation, or a grinding noise when the needle bearing fails.

Bearing Needle – Part No 5P3930 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeNeedle Bearing
MaterialHardened steel
ApplicationPivot points, shaft supports
Service LifeReplace upon inspection of wear or damage, or during component overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Excessive play or looseness in the component where the needle bearing is installed is a primary indicator of failure. This can manifest as sloppy articulation or difficulty in precise movement. If left unaddressed, the bearing can seize, leading to component binding or damage to the shaft it supports.

Installation Tip

Thoroughly clean the bearing bore and the shaft or pin that the bearing will support before installation. Ensure the bearing is pressed in perfectly straight to avoid damaging the rollers or the housing.

Service Note

Inspect the shaft or pin for wear and the surrounding seals for damage when replacing a needle bearing.