Representative product illustrationHRB / THRUST CYLINDRICAL ROLLER BEARINGS
81240
Thrust Cylindrical Roller Bearings
Washer-type raceways and a cylindrical roller-and-cage assembly carry axial loads with high axial rigidity. The catalog includes complete bearings and component designations.
- Separable washers and roller/cage assembly
- High axial rigidity
- Complete bearing or component configurations
PRODUCT OVERVIEW
81240 — Thrust Cylindrical Roller Bearings
Washer-type raceways and a cylindrical roller-and-cage assembly carry axial loads with high axial rigidity. The catalog includes complete bearings and component designations.
These bearings do not compensate for misalignment and are not intended to carry radial loads.
Typical application areas: Heavy reducers, Rolling mill screwdowns, Vertical pumps, Rotary equipment. Suitability is reviewed against the specific operating conditions and bearing arrangement.
Technical Specifications
| Brand | HRB |
|---|---|
| Designation | 81240 |
| Bearing Family | Thrust Cylindrical Roller Bearings |
| Bore Diameter d | 200 mm |
| Outside Diameter D | 280 mm |
| Width T | 62 mm |
| Basic Dynamic Load Rating | 720 kN |
| Basic Static Load Rating | 3100 kN |
| Limiting Speed — Grease | 380 r/min |
| Limiting Speed — Oil | 500 r/min |
| Reference Weight | Not listed |
| Bore Type | Confirm by designation |
| Material | Confirm by specification |
| Precision | Confirm by specification |
| Clearance / Sealing / Cage | According to the full designation |
| Availability & Delivery | Confirmed on quotation |
Source: HRB Rolling Bearings Catalog, printed page 477 / PDF page 481. Reference data supports initial selection; confirm the final drawing and exact specification before ordering.
Dimensions & Technical Documents
d = 200 mm; D = 280 mm; T = 62 mm
Ordering Information
Is there a minimum order quantity?+
There is no strict MOQ limit stated for standard bearings in the HRB product catalog. Quantities for custom and non-standard bearings are agreed according to specifications and manufacturing complexity. Availability and commercial terms are confirmed in the quotation.
Are samples available?+
Samples of standard models can be requested. Custom samples require technical review; sample cost and delivery time are agreed for the project.
What is the normal production lead time?+
The supplied company information states that in-stock standard models can be dispatched promptly, while regular standard bearing production orders normally require 60 working days. Availability, custom lead times and shipment dates are confirmed for each order.
What is the warranty policy?+
Warranty terms are agreed in the sales contract and apply under normal installation and compliant operating conditions. Manufacturing quality issues may receive technical support, repair or replacement according to the agreement. Improper use and human-caused damage are excluded.
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