Overview Reviews Product Description -by bearing manufacturer: FKL: H 310 Product Videos Custom Field d1 45 mm D 50 mm B1 42 mm Product Reviews Write a Review Write a Review × NEU Adapter sleeve H 310 [NEU] Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *