Manufactured by CHG Bearing, the 990701101 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2380 mm bore diameter, a 2838 mm outer diameter, and a 231 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.

990701101 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 990701101 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2380 mm |
| Width (B) | 231 mm |
| Outer Diameter (D) | 2838 mm |
| Inner/Outer Ring Height H1 | 210 mm |
| End-face Height Difference h | 53 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3310 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2975 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Inner Ring Mounting Hole Count n2 | 72 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 39 |
| Outer Ring Mounting Hole Count n3 | 72 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 39 |
| Gear Data | |
| Gear Module m | 16 mm |
| Gear Tip Diameter De | 3475 mm |
| Number of Gear Teeth z | 214 |
| Gear Face Width b | 140 mm |
| Addendum Modification Coefficient x | 0.75 |
| Reference Data | |
| Reference Mass (kg) | 3703 kg |
990701101 2838 mm 2380 mm 3310 mm 2975 mm 231 mm Frequently Asked Questions about 990701101 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 990701101 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.
Each 990701101 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (2380 mm bore side) ensures perfect planar contact without edge binding.
Built for demanding industrial environments, the 990701101 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 990701101, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
