2. NA, NKI-type needle roller bearings
3. RNA, NK-type needle roller bearings without inner ring
4. HK Type Drawn Cup Needle Roller Bearings
5. BK drawn cup needle roller bearings
Metric Series: HK, BK, F, FH, FY, MF, MFH, MFY; TA .. Z, TLA .. Z, TAM, TLAM, YT, YTL.
Inch Series: SCE, BCE, SCH, BCH, SN, B, BH, M, MH,; BA ... Z, BHA ... Z, BAM, BHAM, YB, YBH
RS ------ is a ring with the metric system
2RS ----- for the two seals, with the metric system
P ------- as a ring, with imperial system
PP ------ for the two seals, with imperial system
ASI/OH--- the hole HK, BA, TA .. Z - Piercing Needle roller bearings
BK, TAM, TLAM - Sealed drawn cup needle roller bearings
F - Piercing drawn cup full complement needle roller bearings
FY, YT - Piercing drawn cup full complement needle roller bearings (grease limit)
FH, YTL - Piercing drawn cup full complement needle roller bearings (heavy series)
MF - Drawn cup full complement needle roller bearings
MFH - Drawn cup full complement needle roller bearings
SCE - Piercing Needle roller bearings
BCE - Sealed drawn cup needle roller bearings
SCH - Piercing Needle roller bearings
SN - Piercing drawn cup full complement needle roller bearings
B - Piercing drawn cup full complement needle roller bearings
BH - Piercing drawn cup full complement needle roller bearings (heavy series)
M - Drawn cup full complement needle roller bearings
MH - Drawn cup full complement
needle roller bearings (heavy series)