hat
2). à portant --- kò a woule se roulo. Tankou pou chak kalite a roulo, li kapab divize an: à portant silendrik ---- kò roulo se roulo silendrik, longè à cylindrique / dyamèt ki pi piti a oswa egal a 3; Apre sa, bi zegwi --- kò roulo se zegwi.
eng
2). Roller bearing---the rolling body is roller. As per the roller type, it can be divided into: cylindrical roller bearing----roller body is cylindrical roller, length of cylindrical roller/diameter is less or equal to 3; And needle bearings--- roller body is needle.