Shielded Bearing 687 ZZ C0

    The structure of bearings consists of open and close,and the close type might be equipped with dustproof on single side or both sides (Z,ZZ);with non-contact sealing ring on single side or both sides (RZ,2RZ),and with contact sealing ring on single side or both sides (RS,2RS).     Before ex works,the product is filled properly with lubricant oil and grease.You may use it immediately after unpacking and cleaning is unnecessary.It is suitable for light to middle speed and working temperature -20℃ to 110℃.     For any special case,please note the usage and brand of grease on your order. Bearing Model 687 ZZ Dimension ( d*D*W ) 7mm*14mm*5mm Bearing Clearance C0/C2/C3 Bearing Precision P0/P6 Bearing Vibration Z1/Z2/Z3/Z4…