Manufactured by CHG Bearing, the 134.40.3800.03 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 3480 mm bore diameter, a 4028 mm outer diameter, and a 230 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.
134.40.3800.03 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 134.40.3800.03 |
| Brand | CHG® |
| Gear Type | Internal Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 3480 mm |
| Width (B) | 230 mm |
| Outer Diameter (D) | 4028 mm |
| Inner/Outer Ring Height H1 | 193 mm |
| End-face Height Difference h | 13 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2323 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1941 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 40 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 52 |
| Outer Ring Mounting Hole Count n3 | 40 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 52 |
| Gear Data | |
| Gear Module m | 14 mm |
| Gear Tip Diameter De | 1764 mm |
| Number of Gear Teeth z | 126 |
| Gear Face Width b | 140 mm |
| Addendum Modification Coefficient x | 1 |
| Reference Data | |
| Reference Mass (kg) | 2538 kg |
134.40.3800.03 4028 mm 3480 mm 230 mm 2323 mm 1941 mm Frequently Asked Questions about 134.40.3800.03 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 134.40.3800.03 Three-row Cylindrical Roller Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 134.40.3800.03, FAG 134.40.3800.03, NSK 134.40.3800.03. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 134.40.3800.03, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Quality starts with raw material selection: CHG Bearing crafts 134.40.3800.03 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Built for demanding industrial environments, the 134.40.3800.03 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.
