Manufactured by CHG Bearing, the 3-945G2 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 4190 mm bore diameter, a 5000 mm outer diameter, and a 430 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.
3-945G2 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 3-945G2 |
| Brand | CHG® |
| Gear Type | Internal Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 4190 mm |
| Width (B) | 430 mm |
| Outer Diameter (D) | 5000 mm |
| Inner/Outer Ring Height H1 | 185 mm |
| End-face Height Difference h | 38 mm |
| Number of Lubrication Holes n1 | 10 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3104 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2835 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Inner Ring Mounting Hole Count n2 | 84 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | M36 |
| Outer Ring Mounting Hole Count n3 | 84 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 39 |
| Gear Data | |
| Gear Module m | 18 mm |
| Gear Tip Diameter De | 2664 mm |
| Number of Gear Teeth z | 149 |
| Gear Face Width b | 161 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 2691 kg |
3-945G2 5000 mm 4190 mm 430 mm 3104 mm 2835 mm Frequently Asked Questions about 3-945G2 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 3-945G2, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
For international ocean and air freight, CHG Bearing packs 3-945G2 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
To match diverse operational dynamics, CHG Bearing supplies 3-945G2 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.
Every production batch of CHG Bearing 3-945G2 Three-row Cylindrical Roller Slewing Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
