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Continue to Chat312 (3.1/8″) x 231 (2.5/16″) x 037 (3/8″) R23 (Double Lip) Nitrile Rotary Shaft Oil Seal https://www.airebearings.co.uk/product/312-3-1-8-x-231-2-5-16-x-037-3-8-r23-double-lip-nitrile-rotary-shaft-oil-seal/