Tibet Makina 2800I-12R-300 Slewing Bearing Replacement

Name: MERYDOM Replacement for Tibet Makina 2800I-12R-300 Slewing Bearing
Brand: MERYDOM
SKU: 2800I-12R-300

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MERYDOM BRAND · CERTIFIED REPLACEMENT

2800I-12R-300

MERYDOM VerifiedLevel 3 · Engineering verification record

MERYDOM-manufactured slewing bearing certified for interchange with Tibet Makina 2800I-12R-300.

Certified product dataView complete specifications ↓

Overall OD (Do): 3038 mm
Overall ID (di): 2460 mm
Overall height: 223 mm
Gear arrangement: Internal gear
Mounting holes: 80 / 80 outer / inner
Bearing design: Three-row roller

Factory assurance

Certified dimensional interchange
MERYDOM controlled materials
Factory documentation available

PRODUCT DIMENSIONS

Published dimensions and interfaces

Every available catalog dimension, mounting interface and gear value is shown here in the original published unit.

View complete specifications ↓

Dimensions

Mass (Kg): 3,270 kg
Overall outside diameter (De): 3,038 mm
Overall inside diameter (Di): 2,460 mm
Overall height (H): 223 mm
Outer ring height (He): 210 mm
Inner ring height (Hi): 170 mm

Mounting

Outer ring bolt circle (Le): 2,960 mm
Inner ring bolt circle (Li): 2,635 mm
Outer ring mounting-hole count (ne): 80
Inner ring mounting-hole count (ni): 80
Outer ring mounting-hole specification (de): 39 mm
Inner ring mounting-hole specification (di): 39 mm

Gear

Gear module (m): 20 mm
Gear tooth count (z): 124
Addendum modification product x*m (xm): -10 mm

MERYDOM CERTIFIED SPECIFICATION

Tibet Makina 2800I-12R-300 Slewing Bearing Specifications

MERYDOM product identity, certification, materials and dimensional data for the certified replacement.

MERYDOM Factory Verified · Controlled record

Technical parameter	MERYDOM certified product value
MERYDOM Certified Product
Product brand	MERYDOM
MERYDOM model	2800I-12R-300
Certified interchangeable with	Tibet Makina 2800I-12R-300
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	Tibet Makina
Series	Three-row roller · Internal gear Series
Reference model	2800I-12R-300
System of measurement	Metric
Bearing structure	Three-row roller
Gear arrangement	Internal gear
Dimensions
Mass (Kg)	3,270 kg
Overall outside diameter (De)	3,038 mm
Overall inside diameter (Di)	2,460 mm
Overall height (H)	223 mm
Outer ring height (He)	210 mm
Inner ring height (Hi)	170 mm
Mounting
Outer ring bolt circle (Le)	2,960 mm
Inner ring bolt circle (Li)	2,635 mm
Outer ring mounting-hole count (ne)	80
Inner ring mounting-hole count (ni)	80
Outer ring mounting-hole specification (de)	39 mm
Inner ring mounting-hole specification (di)	39 mm
Gear
Gear module (m)	20 mm
Gear tooth count (z)	124
Addendum modification product x*m (xm)	-10 mm
Ratings
Normal tooth force (Ft_normal)	328 kN
Maximum tooth force (Ft_max)	657 kN
Miscellaneous
Raceway Pitch Diameter (DL)	2,800 mm
Lubrication Zerk Count (G)	24

Level 3 · MERYDOM Engineering VerifiedReviewed by MERYDOM Engineering Department. Evidence date and drawing revision are not published.

SERIES LOAD CAPACITY

Three-row roller · Internal gear Series load chart

Use the model designation in the catalog legend as an initial moment-and-thrust capacity reference.

Engineering selection note

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.

MERYDOM ENGINEERING

MERYDOM Replacement for Tibet Makina 2800I-12R-300

This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.

Certified interchangeability

Matching model designation and installation envelope
Reviewed mounting-hole and bolt-circle interfaces
Gear arrangement matched to the referenced configuration

MERYDOM construction

Configurable 42CrMo or 50Mn ring material options
NBR nitrile-rubber sealing system
Configurable engineering nylon or brass spacer options

Factory documentation

Engineering verification by MERYDOM Engineering Department
Verification evidence is maintained in the controlled internal record
Drawing revision and final documentation package are confirmed with the quotation

Application confirmation

Confirm support flatness, bolt grade and preload
Verify applied loads, duty cycle and lubrication
Confirm temperature, environment and installation conditions

RELATED CERTIFIED PRODUCTS

Related Tibet Makina Slewing Bearing References

Each listed MERYDOM model is factory-certified for interchange with the matching referenced-brand model shown on its own product page.

MERYDOM model	Gear	OD × ID × H
2570I-12R-300	Internal gear	2,754 × 2,288 × 151 mm	View details →
3149I-12R-301	Internal gear	3,368 × 2,820 × 181 mm	View details →
1794I-12R-300	Internal gear	1,947 × 1,552 × 132 mm	View details →
1600I-12R-302	Internal gear	1,760 × 1,372 × 133 mm	View details →

LEGAL & ENGINEERING NOTICE

Independent replacement certification

MERYDOM is the manufacturer and certifying party for the MERYDOM product displayed on this page.
Third-party brand names and model numbers remain the property of their respective owners and are used only to identify the intended interchange reference.
MERYDOM is an independent manufacturer and is not affiliated with, endorsed by or sponsored by the referenced OEM.
The interchangeability statement applies to the matching model designation and the published verification scope; application suitability still depends on loads, duty cycle, installation, lubrication and operating environment.
The approved quotation, manufacturing drawing and contract technical agreement control the final supplied product.