From Forum Nokia Wiki

The Nokia part number Cable Type is CA53 and connects from port on bottom of phone to a USB port on a PC. The cable is supplied with Nokia E61 along with Nokia PC Suite on CD.

For use with
Nokia N70, N71, N72, N73, N80, N93
Nokia E50, E60, E61, E70, E60
Nokia 9500, 9300I, 9300
Nokia 7270, 7370, 7610, 7710
Nokia 6630, 6670, 6680, 6881
Nokia 6230, 6230i, 6233, 6260, 6270, 6280
Nokia 6111, 6125, 6131, 6136, 6151, 6170
Nokia 5500
Nokia 3250, 3230, 3300

CA52 Cable from Nokia UK Online shop

The Nokia part number Cable Type is CA53 and connects from port on bottom of phone to a USB port on a PC. This cable was the original cable and supports earlier phones and is a considerably slower transfer rate

For use with
Nokia 7200, 7200, 7250, 7250i, 7260, 7360
Nokia 6800, 6810, 6820, 6822
Nokia 6100, 6101, 6103, 6220
Nokia 6020, 6021, 6070
Nokia 5100, 5140, 5140i
Nokia 3100, 3120, 3200, 3220

CA42 Cable from Nokia UK Online shop