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Bearing preload series expansion

Smalley Steel Ring Co. (Lake Zurich, IL) has expanded its bearing preload (SSB) series to add diameters ranging from 9 to 13 mm. With this expansion, more than 300 SSB series springs are stocked in carbon and stainless steel with free samples available to test in various applications. According to Smalley, the SSB series’ single-turn wave spring helps eliminate bearing play and minimize noise. The constant light/medium pressure they apply removes play between the ball bearings and the bearings’ inner and outer races. Preloading can reduce the possibility of bearing damage due to vibration (vibratory loading) and wear due to repetitive and non-repetitive runout, claims the company. For more information, visit

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