Overview Reviews Product Description -by bearing manufacturer: FKL: H 2311 Product Videos Custom Field d1 50 mm D 55 mm B1 59 mm Product Reviews Write a Review Write a Review × Z&S Adapter sleeve H 2311 [Z&S] Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *