Items Optional | 38mm Round Shaft With Oil Bearing or 40mm Square Shaft with Grease Bearing | 38mm Round Shaft With Oil Bearing or 40mm Square Shaft with Grease Bearing | 38mm Round Shaft With Oil Bearing or 40mm Square Shaft with Grease Bearing | 38mm Round Shaft With Oil Bearing or 40mm Square Shaft with Grease Bearing | 38mm Round Shaft With Oil Bearing or 40mm Square Shaft with Grease Bearing |