Manufactured by CHG Bearing, the TRR28/2618 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2322 mm bore diameter, a 2785 mm outer diameter, and a 172 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

TRR28/2618 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | TRR28/2618 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2322 mm |
| Width (B) | 172 mm |
| Outer Diameter (D) | 2785 mm |
| Inner/Outer Ring Height H1 | 258 mm |
| End-face Height Difference h | 50 mm |
| Number of Lubrication Holes n1 | 8×2 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3342 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2958 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 72 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 45 |
| Outer Ring Mounting Hole Count n3 | 72 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 45 |
| Gear Data | |
| Gear Module m | 22 mm |
| Gear Tip Diameter De | 3542 mm |
| Number of Gear Teeth z | 158 |
| Gear Face Width b | 180 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 5409 kg |
TRR28/2618 2785 mm 2322 mm 3342 mm 2958 mm 172 mm Frequently Asked Questions about TRR28/2618 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies TRR28/2618 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Built for demanding industrial environments, the TRR28/2618 Three-row Cylindrical Roller Slewing Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for TRR28/2618, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing TRR28/2618 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Three-row Cylindrical Roller Slewing Bearings.
