ge30es spherical plain bearing for XCMG RP705 paver spare parts

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  • ge30es spherical plain bearing for XCMG RP705 paver spare parts

Short Description:

Spherical Plain Bearing GE30ES, compatible with XCMG RP705 medium crawler paver. It is a radial spherical plain bearing with spherical sliding surfaces for self‑alignment.

Product Detail

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description

This GE30ES is a relubricatable radial spherical plain bearing. Both inner and outer rings are made of high‑chromium bearing steel with hardened and precision‑ground spherical sliding surfaces for high strength and wear resistance. Lubrication holes and circumferential grooves allow regular greasing to reduce friction. It permits a tilt angle up to approximately 6°, accommodating minor angular misalignment and relieving extra stress caused by assembly tolerance and frame deformation. Under continuous vibration and alternating impact during paving, its spherical interface swings smoothly to prevent seizure and stress concentration, protecting cylinder lugs and rod seats and cutting down abnormal noise and premature wear for levelling linkages, hopper hinges and tie rods.

product parameters

- Model: GE30ES
- Name: Radial Spherical Plain Bearing
- Applicable Model: XCMG RP705 medium crawler paver
- Dimensions: Bore 30 mm, OD 47 mm, inner ring width 22 mm, outer ring width 18 mm
- Basic dynamic load rating: 62 kN
- Basic static load rating: 310 kN
- Permitted tilt angle: 6°
- Material: High‑chromium bearing steel
- Construction: Split outer ring, with grease groove and hole, without integral seal
- Matching Parts: Pin, spacer, dust washer, grease
- Function: Articulation, self‑alignment, withstand alternating impact loads

Applicable Scenarios

It serves levelling cylinder hinges, hopper pivot joints, tie rods and gate swing arms on XCMG RP705 paver for asphalt paving of municipal roads, highways, yards and airport runways, ensuring smooth articulation under heavy load, vibration and frequent small swing.

advantage

- Spherical self‑aligning design compensates misalignment and prevents binding
- Hardened bearing steel sliding pair with high load capacity and excellent impact resistance
- Built‑in grease channel for easy routine maintenance and service life extension
- Standard dimension with good interchangeability and simple installation
- Stable swing friction to reduce impact rattling at hinge points
- Convenient spare part for paver overhaul

FAQ

Q: Can GE30ES directly replace GE30ES‑2RS?
A: They share identical boundary dimensions. GE30ES has no integrated seals while GE30ES‑2RS has double lip seals. Sealed versions are preferred for dusty asphalt sites; follow the original part number for OEM replacement.

Q: Can the bearing stay in service if the spherical surface is scored?
A: Replace it once pitting, excessive clearance or stalling occurs, otherwise bent rods and cracked cylinder lugs may follow.

Q: Is press‑fitting required?
A: Press fitting is recommended. Never strike the spherical surface. Deburr housing bores and apply grease before assembly.

Q: What is the greasing interval?
A: For paving service, replenish grease every 80–100 working hours to exclude grit from the sliding interface.

Q: What faults arise from failed spherical plain bearings?
A: Excessive hinge clearance deteriorates paving levelling accuracy and causes rattling, possibly leading to permanent deformation of rods and cylinder lugs.

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