To further reduce the size of a constant velocity universal joint and secure strength, load capacity, and durability.
A grease composition for constant velocity universal joint including the following components (a) to (g) is filled in the constant velocity universal joint (a fixed type and a slidable type) having eight torque transmission balls. (a) Base oil, (b) Diurea thickener expressed by the following formula: R1NH-CO-NH-C6H4-p-CH2-C6H4-p-NH-CO-NHR2 (In the formula, R1 and R2 are independently an 8-20C alkyl group, a 6-12C aryl group, or a 6-12C cycloalkyl group), (c) molibdenum dialkyldithiocarbamate not dissolved in base oil, (d) molibdenum dialkyldithiocarbamate dissolved in base oil, (e) molibdenum disulfide, (f) calcium phenate or calcium sulphonate, and (g) sulfur-based extreme pressure additive not containing phosphor content.
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TAKEMURA ATSUHITO
| JP2006016481A | 2006-01-19 | |||
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Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
Hiroaki Yamane