German jenaer gewindetechnik bearings, jenaer gewindetechnik models, jenaer gewindetechnik prices

jenaer gewindetechnik bearings are available in two structures: cylindrical bore and tapered bore. Cage materials include steel sheet and synthetic resin. Their characteristic is that the outer ring raceway is spherical, providing self-aligning capability to compensate for errors caused by misalignment and shaft deflection; however, the relative inclination between the inner and outer rings must not exceed 3 degrees.

jenaer gewindetechnik bearing applications

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

jenaer gewindetechnik bearing operating requirements

For bearing configurations with heavy loads, harsh operating conditions, or special sealing requirements, self-aligning roller bearings with built-in contact seals can be used. The external dimensions of these bearings are identical to non-sealed bearings, allowing them to replace non-sealed bearings in many applications. The permissible self-aligning angle is 0.5°, and the operating temperature range is -20°C to 110°C. The bearings are pre-filled with an appropriate amount of lithium-based anti-rust lubricating grease; additional grease can be added upon user request. Based on the presence or absence of flanges on the inner ring and the type of cage used, they are divided into two basic types: C type and CA type. The C type features no flanges on the inner ring and uses a stamped steel cage, while the CA type features flanges on both sides of the inner ring and uses a machined solid cage. This type of bearing is particularly suitable for operation under heavy loads or vibratory loads. Self-aligning roller bearings are equipped with barrel-shaped rollers between the inner ring with two raceways and the outer ring with a spherical raceway.

jenaer gewindetechnik 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 into inner packaging to achieve waterproofing, moisture-proofing, dust-proofing, and shock protection, thereby maintaining bearing quality and precision, and facilitating 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 bearings shipped in large quantities to the same customer and put into use within a short period. 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 creased 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 the above materials must pass corrosion resistance tests.

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