Overview Reviews Product Description Product Videos Custom Field Inner diameter [d] 20 mm Outer diameter [D] 52 mm Inner ring width [B] 15 mm Bore type Cylindrical Product Reviews Write a Review Write a Review × Z&S Ball bearing 1304 TN [Z&S] Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *