Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
MERYDOM manufactures an engineering-verified replacement for the Torriani Gianni SD.505.20.00.C slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The Torriani Gianni SD.505.20.00.C reference belongs to the Sd 20 C Series and uses a four-point contact ball, ungeared slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with Torriani Gianni SD.505.20.00.C.
Every available catalog dimension, mounting interface and gear value is shown here in the original published unit.
MERYDOM product identity, certification, materials and dimensional data for the certified replacement.
| Technical parameter | MERYDOM certified product value |
|---|---|
| MERYDOM Certified Product | |
| Product brand | MERYDOM |
| MERYDOM model | SD.505.20.00.C |
| Certified interchangeable with | Torriani Gianni SD.505.20.00.C |
| Factory verification | Level 3 · Engineering Verified |
| Reviewed by | MERYDOM Engineering Department |
| Verification metadata | Controlled internal record; date and drawing revision are not published. |
| Materials | |
| Configurable ring material options | 42CrMo / 50Mn |
| Seal material | NBR · Nitrile rubber |
| Configurable spacer material options | Engineering nylon / Brass |
| Identification | |
| Reference brand | Torriani Gianni |
| Series | Sd 20 C Series |
| Reference model | SD.505.20.00.C |
| System of measurement | Metric |
| Bearing structure | Four-point contact ball |
| Gear arrangement | Ungeared |
| Dimensions | |
| Overall outside diameter (Da) | 518 mm |
| Torriani catalogue dimension B (B) | 453 mm |
| Torriani catalogue dimension U (U) | 415.5 mm |
| Torriani catalogue dimension C (C) | 412.5 mm |
| Torriani catalogue dimension D (D) | 375 mm |
| Overall inside diameter (Di) | 304 mm |
| Mass (Kg) | 23.5 kg |
| Mounting | |
| Outer ring bolt circle (La) | 490 mm |
| Outer ring mounting-hole count (na) | 8 |
| Inner ring bolt circle (Li) | 332 mm |
| Inner ring mounting-hole count (ni) | 12 |
Use the model designation in the catalog legend as an initial moment-and-thrust capacity reference.
This catalog chart is a preliminary selection aid. Final MERYDOM application approval must also consider mounting rigidity, bolt capacity, duty cycle, lubrication and operating conditions.
This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.
Send the required quantity and operating conditions. MERYDOM will confirm the supply configuration, documentation package and delivery schedule for model SD.505.20.00.C.