Catalogue / Nacelle components & main bearings
Main shaft bearing (spherical roller), Xtra 5 seriesSample
by Marwarairavat Wind Energy (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Marwarairavat Xtra 5 main shaft bearing (spherical roller), offered in 5 turbine rating options from 2.0 MW to 5.0 MW. Highlights: traceable heat-batch certificates, ultrasonic tested forgings and dimensional match to OEM drawings. Typically used for repowering, main bearing replacement and nacelle manufacturing. Designed and tested to ISO 281, IEC 61400-4 and ISO 76. Lead time 6-10 weeks; delivers to South India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Marwarairavat
- Model
- MAR-5F3 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 6-10 weeks
- Warranty
- 24 months
- Standards
- ISO 281, IEC 61400-4, ISO 76
- Delivers to
- South India
- GST rate
- 18 %
- Country of origin
- India (imported sub-assemblies)
- Packaging
- Corrugated box on pallet
- Delivery terms
- FOR nearest railhead
- Returns
- Returns within 15 days if unused, in original packing
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Turbine rating2.0 MWMAR-5F3-01 | Turbine rating: 2.0 MW | 1 nos · 6-10 weeks | for verified buyers |
| Turbine rating2.5 MWMAR-5F3-02 | Turbine rating: 2.5 MW | 1 nos · 6-10 weeks | for verified buyers |
| Turbine rating3.0 MWMAR-5F3-03 | Turbine rating: 3.0 MW | 1 nos · 6-10 weeks | for verified buyers |
| Turbine rating3.6 MWMAR-5F3-04 | Turbine rating: 3.6 MW | 1 nos · 12-16 weeks | for verified buyers |
| Turbine rating5.0 MWMAR-5F3-05 | Turbine rating: 5.0 MW | 1 nos · 12-16 weeks | for verified buyers |
Specifications
| Turbine rating | 2.0 MW to 5.0 MW (see variants) |
|---|---|
| Component | Brake discmade to order: Main bearing / Main shaft / Bedplate |
| Bearing type | Tapered roller double row |
| Bore diameter | 300 mmmade to order: 500 mm / 700 mm / 900 mm |
| Material | 100Cr6 |
| Seal | Contact sealmade to order: Labyrinth with grease |
| Lubrication | Auto grease system |
| Surface treatment | Phosphated |
| Hardness | 58-62 HRC |
| Weight | 8 t |
| Fitment | OEM-compatiblemade to order: Direct replacement |