high quality needle roller bearing NK6/12 - NK6/12

model number
K 18x25x22 K 20x28x20
K 19x23x13 K 20x28x25
K 19x23x17 K 20x30x30
K 20x24x10 K 21x25x13
K 20x24x13 K 22x26x10
K 20x24x17 K 22x26x13
K 20x26x12 K 22x26x17
K 20x26x13 K 22x28x17
K 20x26x17 K 22x29x16
K 20x26x20 K 22x30x15 TN
K 20x28x16 K 22x32x24