Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
Factory-certified by MERYDOM to interchange with Kaydon RK6-25N1Z. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM-manufactured slewing bearing certified for interchange with Kaydon RK6-25N1Z.
MERYDOM VerifiedEngineering certification · Rev 1.0MERYDOM 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 | RK6-25N1Z |
| Certified interchangeable with | Kaydon RK6-25N1Z |
| Factory verification | Level 3 · Engineering Verified |
| Approved drawing revision | 1.0 |
| Reviewed by | MERYDOM Engineering Department |
| Certification date | 2026-08-15 |
| Materials | |
| Ring material options | 42CrMo / 50Mn |
| Seal material | NBR · Nitrile rubber |
| Spacer material options | Engineering nylon / Brass |
| Identification | |
| Reference brand | Kaydon |
| Series | RK Series |
| Reference model | RK6-25N1Z |
| System of measurement | InchMetric reference shown alongside |
| Bearing structure | Four-point contact ball |
| Gear arrangement | Internal gear |
| Dimensions | |
| Overall outside diameter (Do) | 29.450 in748.03 mm |
| Overall inside diameter (di) | 21.600 in548.64 mm |
| Overall height (H) | 2.205 in56.007 mm |
| Outer ring body OD (Dr) | 26.930 in684.022 mm |
| Outer ring inner diameter (Di) | 25.280 in642.112 mm |
| Inner ring outer diameter (do) | 25.200 in640.08 mm |
| Outer ring bolt circle (Lo) | 28.380 in720.852 mm |
| Inner ring bolt circle (Li) | 23.630 in600.202 mm |
| Gear pitch diameter (D2) | 22.000 in558.8 mm |
| Assembly weight (G) | 106 lb48.081 kg |
| Ratings | |
| Maximum gear tooth load (Fz) | 6400 lbf28,468.618 N |
| Moment load rating (Crm) | 49800 in49,800 |
| Mounting | |
| Outer ring bolt holes (no) | 12 holes · 0.688 through, equally spaced |
| Inner ring bolt holes (ni) | 18 holes · 0.500-13 UNC-2B; 0.750 min full thread; equally spaced |
| Gear | |
| Pitch system | DP |
| Diametral pitch (Pd) | 4.00000000 DP |
| Equivalent module (m) | 6.35 mm |
| Number of teeth (z2) | 88 |
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 RK6-25N1Z.