HK BK SCE BH J JH TA TLA AXK 
Single Row or Double Row
OPEN, Z, ZZ, RS, 2RS
Plastic bag, Inner box, Carton, Wooden pallet
20GrMo, GCr15
C2, C3, C4, C5
ABEC-1, ABEC-3, ABEC-5, ABEC-7
For rolling mills and heavy machinery
Needle bearing, SKF bearing. NSK bearing, IKO bearing,IKC bearing

BK1512 BK3520 HK1516 HK4012 K15× 19× 10 K20× 26× 12 K30× 37× 20 K50× 55× 20
BK1516 BK3520 HK1516 HK4012 K15× 19× 13 K20× 26× 17 K32× 37× 13 K50× 55× 20
BK1516 BK4012 HK1612 HK4020 K15× 19× 13 K20× 26× 17 K32× 37× 13 K50× 58× 20
BK1612 BK4012 HK1612 HK4020 K16× 20× 10 K20× 26× 20 K32× 37× 17 K50× 58× 20
BK1612 BK4020 HK1616 HK4520 K16× 20× 10 K22× 26× 10 K32× 37× 17 K50× 58× 25
BK1616 BK4020 HK1616 HK4520 K16× 20× 13 K22× 26× 10 K32× 38× 20 K50× 58× 25
BK1616 BK4520 HK1712 HK5020 K16× 20× 13 K22× 26× 13 K32× 39× 20 K55× 60× 25
BK1712 BK4520 HK1712 HK5020 K16× 20× 17 K22× 26× 13 K32× 39× 20 K55× 61× 20
BK1712 BK5020 HK1812 HK5520 K16× 20× 17 K22× 26× 17 K35× 40× 13 K55× 63× 20
BK1812 BK5020 HK1812 HK5520 K16× 22× 12 K22× 26× 17 K35× 40× 13 K55× 63× 20
BK1812 BK5520 HK1816 HK6020 K16× 22× 12 K25× 29× 10 K35× 40× 17 K55× 63× 25
BK1816 BK5520 HK1816 HK6020 K16× 22× 17 K25× 29× 10 K35× 40× 17 K5× 8× 8