Germany Spieth bearings Spieth models Spieth prices

Spieth bearings have raceways on both the inner and outer rings, and the inner and outer rings can move relative to each other along the bearing axis. This type of bearing is particularly suitable for withstanding combined loads, i.e., loads acting radially and axially at the same time. The axial load carrying capacity of angular contact ball bearings increases as the contact angle α increases. The contact angle is the angle between the line connecting the contact points of the ball and the raceway in the radial plane and the perpendicular to the bearing axis.

Spieth bearing applications

Self-aligning ball bearings are suitable for heavy loads and shock loads, precision instruments, low-noise motors, automobiles, motorcycles, metallurgy, rolling mills, mining, petroleum, papermaking, cement, sugar refining and other industries as well as general machinery.

Spieth bearing operating requirements

For heavy loads, harsh operating conditions or special sealing requirements, built-in contact seal self-aligning roller bearings can be used. The external dimensions of these bearings are identical to non-sealed bearings and they can replace non-sealed bearings in many applications. The allowable self-alignment angle is 0.5°, and the operating temperature range is -20℃ to 110℃. The bearings are pre-filled with an appropriate amount of lithium-based anti-rust lubricating grease, and additional grease can be added upon customer request. Based on the presence or absence of shoulders on the inner ring and the type of cage used, they are divided into two basic types: C type and CA type. C type bearings feature no shoulders on the inner ring and use stamped steel cages, while CA type bearings have shoulders on both sides of the inner ring and use machined solid cages. This type of bearing is particularly suitable for operation under heavy loads or vibration loads. Self-aligning roller bearings consist of drum-shaped rollers assembled between an inner ring with two raceways and an outer ring with a spherical raceway.

Spieth bearing packaging

Packaging is divided into inner and outer packaging. After manufacturing and passing inspection, bearings are cleaned and treated for rust prevention, then placed in inner packaging to achieve waterproofing, moisture-proofing, dust-proofing, shock protection, maintain bearing quality and precision, and facilitate use and sales. Bearing inner packaging is classified into three categories based on the rust prevention period: (1) Short-term rust prevention packaging: rust prevention period of 3 to 6 months, suitable for bulk shipments to the same customer for immediate use. By mutual agreement, simple packaging is adopted for ease of use. (2) General rust prevention packaging: rust prevention period of one year, suitable for general-purpose bearings. (3) Long-term rust prevention packaging: rust prevention period of two years, suitable for specialized and precision bearings. Inner packaging materials include polyethylene plastic tubes (boxes), kraft paper, plain and corrugated polyethylene composite paper, paper boxes, polyethylene or polyethylene plastic film, nylon fastening straps or plastic woven fastening straps, waterproof high-strength plastic straps, jute bags, etc. All above materials must pass corrosion resistance tests.

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