Bearing 6538846 for Bobcat Sweeper Attachments – Verified Fitment

Variant Differences Confirmed — Each bearing 6538846 is checked against attachment serial prefix before dispatch.

Technical Specifications

Application Suitability

Why the Same Bearing Number Ships in Multiple Variants

Bearing 6538846 for Bobcat sweeper attachments cross reference verification is mandatory before ordering.

Sweeper attachment bearings frequently share one base identifier across several attachment builds, but internal shaft diameters, seal configurations, and housing tolerances shift between serial ranges. I have seen workshops receive the correct part number only to find the bearing refuses to seat on the brush assembly shaft because the variant was wrong [NEED_CITE: bearing variant identification practices in attachment rebuilds]. Ordering without serial-level confirmation leads to machines sitting idle while replacements are sourced.

Pinpointing the Correct Variant from a Worn Nameplate

When the attachment plate is readable, the sweeper model and serial prefix narrow the field to one exact bearing 6538846 variant. Bobcat sweeper attachments produced across different generations carry subtle changes in shaft interface dimensions and seal retention grooves. Cross-referencing the attachment serial prefix against known variant tables prevents misalignment during assembly. A photograph of the nameplate, even partially worn, usually provides enough information to lock down the correct configuration.

Physical Interface Checks That Matter Most

The shaft diameter, housing bore depth, and seal lip orientation must match the removed bearing exactly. On Bobcat sweeper attachments, the grease port position determines whether the double-lip nitrile rubber seals align with the original lubrication channel [NEED_CITE: bearing seal alignment and grease retention in rotary brush systems]. A mismatch here means grease bypasses the rolling elements, and contamination enters through the unsealed side. Splined interfaces on certain angle sweeper models also require tooth count verification before the new bearing is pressed in.

Reading the Specifications Beyond the Part Number

The ISO P6 tolerance class ensures the bearing seats in the original housing without reaming or shimming. High-carbon chrome steel at 60–63 HRC provides the contact fatigue resistance needed where brush assembly loads are continuous and multidirectional. Runout held to ≤0.005 mm keeps the brush shaft running true, which matters when sweepers operate at sustained RPM on uneven surfaces. ABEC-3 classification confirms dimensional consistency across the inner and outer raceways. The NLGI #2 grease rated to 150°C max handles the thermal load generated inside enclosed sweeper housings during extended operation.

The Real Cost of a Close-Enough Fit

A bearing that physically fits but belongs to the wrong variant often shows early brinelling on the raceway within the first few weeks. The brush shaft develops runout that accelerates seal wear, then debris migrates past the compromised lip into the rolling elements. I have watched a fleet operator replace the same sweeper bearing twice before discovering the seal orientation was reversed relative to the contamination side [NEED_CITE: premature bearing failure modes in municipal sweeping equipment]. Return freight and second downtime windows add up faster than anyone budgets for.

Why Sourcing This Bearing Here Works

Our own production lines and qualified sourced partners carry the same QC and warranty, so a bearing 6538846 ships under one consistent standard regardless of origin line. Eight product categories under a single account mean you can add seals, gaskets, and adjacent brush shaft components to the same order without opening a second vendor file. Minimum order is one piece, so a single emergency replacement is never blocked by volume requirements. We identify the correct variant from a part number, machine model, photograph, or nameplate image. Cross-reference verification covers superseded and alternate numbers across Bobcat attachment generations. A sample unit can ship first for physical fitment confirmation before you commit the full fleet quantity.

Documentation & Verification

• Commercial invoice and packing list matched to bearing batch and variant code
• Fitment and cross-reference sheet listing verified alternate numbers (reference only)
• Dimensional inspection record covering bore, OD, width, and runout
• Warranty terms stating coverage period against manufacturing defects
• Packing photographs showing protective foam insert placement before crate closure
• HS code classification support for customs clearance in destination market

Fitment Check Before Installation

• Measure shaft diameter and housing bore against removed bearing before pressing in the new unit
• Confirm double-lip seal orientation faces the contamination side of the brush assembly
• Verify grease port alignment with the original lubrication channel on the sweeper housing
• Check runout after pressing to confirm ≤0.005 mm tolerance is maintained post-installation
• Order one sample bearing for trial fitment on a single sweeper before fleet-wide rollout
• Report any interference or mismatch immediately so a variant correction can be issued

Request a Fitment Verification Before You Order

Provide your Bobcat sweeper attachment model, serial prefix, or a photograph of the existing bearing and nameplate so we can confirm variant-level compatibility and return a cross-reference sheet with your quote.

Frequently Asked Questions

Q: How do I confirm this bearing 6538846 fits my specific Bobcat sweeper attachment model? A: Share the attachment model and serial prefix from the nameplate. We cross-check the variant table for shaft diameter, seal configuration, and housing bore requirements tied to that serial range. A photograph of the nameplate or the removed bearing also allows identification when stamped numbers are no longer legible.

Q: Are there multiple variants of bearing 6538846 across different Bobcat sweeper attachment serial ranges? A: Yes. The base number 6538846 (cross-reference only) appears across several attachment builds, but internal dimensions, seal types, and grease port positions can differ. Confirming your exact serial prefix ensures the variant you receive matches the original equipment configuration without requiring housing modification.

Q: Can I get a sample to test fitment before placing a bulk order? A: A single sample unit ships ahead of any fleet commitment. You install it on one sweeper attachment, verify the shaft fit, seal alignment, and runout, then confirm the balance of your order once physical fitment is proven on your specific machine configuration.

Q: What if my attachment nameplate is worn — can you identify the correct bearing from a photo? A: Send a clear photograph of the removed bearing showing any remaining stamps, the seal profile, and the shaft interface. Combined with the sweeper model if known, this is usually sufficient to determine the correct variant and confirm dimensional compatibility before dispatch.

Q: Is this bearing dimensionally identical to the one originally installed on my sweeper attachment? A: The ISO P6 tolerance class and ABEC-3 standard ensure dimensional equivalence with the factory-installed unit. Bore, outer diameter, width, and runout match original specifications so the bearing seats in the existing housing without reaming, shimming, or other modifications.