Serie per cuscinetto a rulli conici 313..-X-DF, disposizione a X
31322-X-XL-P5-DF-A140-180, 31318-XL-DF-A160-200, 31309-XL-DF-A60-100, 31330-X-XL-DF-A180-230, 31322-X-XL-P5-DF-A70-90, 31328-X-XL-DF-A180-230, 31308-XL-P5-DF-VA20-40, 31326-X-DF-A370-430, 31320-X-XL-DF-A120-160, 31316-XL-DF-A120-160, 31313-XL-DF-A80-120, 31308-XL-DF-A50-90, 31316-XL-DF-A100-140, 31326-X-XL-DF-A260-320, 31318-XL-DF-A120-160, 31326-X-XL-DF-A160-200, 31312-XL-DF-A80-120, ...