Manufactured by CHG Bearing, the E.750.20.00.B is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 572 mm bore diameter, a 742.3 mm outer diameter, and a 56 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.
E.750.20.00.B - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | E.750.20.00.B |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 572 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 742.3 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 685 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 598 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 36 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 14 |
| Outer Ring Mounting Hole Count n3 | 32 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 14 |
| Gear Data | |
| Gear Module m | 6 mm |
| Gear Tip Diameter De | 732 mm |
| Number of Gear Teeth z | 122 |
| Gear Face Width b | 44.5 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 54.4 kg |
E.750.20.00.B 742.3 mm 685 mm 572 mm 56 mm 598 mm Frequently Asked Questions about E.750.20.00.B Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of E.750.20.00.B Four-Point Contact Ball Slewing Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Model E.750.20.00.B is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 572 mm) and steep thermal gradients between inner and outer rings.
Standard batches of CHG Bearing E.750.20.00.B conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
To match diverse operational dynamics, CHG Bearing supplies E.750.20.00.B 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.
