32216U bearing: complete specifications & equivalents

Specification table

Source: catalog reference (NTN Ball and Roller Bearings CAT.No.2203E) · extracted 2026-10-01

Parameters extracted from the official NTN Ball and Roller Bearings catalogue (NTN Ball and Roller Bearings CAT.No.2203E); NTN® is a trademark of NTN Corporation, used here for identification only — mpnbase is not an authorized NTN distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at ntnglobal.com.

Cross references & equivalents

Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.

How the 32216U model number is decoded

32216U is the NTN 4T catalogue entry for a 80×140×35.25 mm metric tapered roller bearing — separable cone and cup, designed for combined radial and axial load as an individually adjusted bearing. The last two digits 16 are the ISO bore code, ×5 = 80 mm (codes 00–03 use the 10/12/15/17 exception table) under the ISO 355 numbering; the 35.25 mm value printed here is T, the width of the fully assembled cone-plus-cup set, not the inner-ring width alone. The printed contact-angle geometry gives the heavy-section 32200 family its characteristic load split — at 221/265 kN (C/C0) the static rating is about 1.20× C, typical of tapered bearings proportioned for heavy combined duty. Imperial cross-check for the drawing: 80×140×35.25 mm is 3.15 × 5.512 × 1.388 in; ISO 355 makes the envelope interchangeable but C/C0, 221/265 kN, is NTN-specific. Mount the 80 mm-bore cone on the shaft first (induction heat, max 120 °C), fit the cup square in its housing, then set preload or end play; never drive the cup home through the rollers of 32216U.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Mount the 80 mm cone by induction heating (max 120 °C) and the cup with a press sleeve; the 2170 g ring mass makes cocking during fitting a direct raceway-brinelling risk.
• The heavy-section 32200 family at 80 mm bore (140×35.25 mm assembled) carries more capacity than the lighter 320/329 sections but generates more preload heat; confirm oil availability before running near the 3,400 r/min oil ceiling.
• Replacing one half of an adjusted pair without resetting end play negates the 35.25 mm T dimension logic: re-adjust the set and re-verify the contact pattern rather than reusing the old spacer stack.
• Minimum load matters at high speed: an unloaded 32216U at a large fraction of 2,500 r/min lets rollers skid and smear the cone rib; spring-preload lightly loaded pair arrangements.
• Minimum load matters at high speed: an unloaded 32216U at a large fraction of 2,500 r/min lets rollers skid and smear the cone rib; spring-preload lightly loaded pair arrangements.
• The 221/265 kN ratings and 31.5 kN Pu here are NTN Ball and Roller Bearings CAT.No.2203E figures for 32216U (ISO 355 3EC); internal geometry legitimately differs between manufacturers, so re-verify ratings, adjustment and suffix before substituting another make on a rated drive.