NTN 3311 ANR

Angular · Open

The seat — 55 MM × 120 MM × 49.20 MM

Bore

55 MM

Outside dia

120 MM

Width

49.20 MM

Type

Angular

Seal

Open

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Dynamic C

112.0 kN

Static C0

81.5 kN

13 other designations in the catalogue share this bore × outside diameter × width. Each was compared on the four fields every bearing row carries — Type, Seal, Clearance, Precision — as recorded, case- and separator-insensitively. All four agreeing puts a designation in the first list; anything else, a difference or a blank, puts it in the second with the fields named.

Candidates at the recorded dimensions above

May substitute — 3 designations

Part number	Manufacturer	C	C0
3311 A	NTN	112.0 kN	81.5 kN
MRC.5311C	NTN	112.0 kN	81.5 kN
MRC.5311CFF	NTN	112.0 kN	81.5 kN

Check before substituting — 10 designations

Part number	Manufacturer	C	Differs from this part
3311 A-2RS1/C3	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 A-2RS1/C3MT33	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 A-2Z	NTN	112.0 kN	Seal: 2Z shield — this part: Open
3311 A-2Z/C3	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 A-2Z/C3MT33	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 A-2ZTN9/C3VT113	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 A/C3	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 ANR/C3	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
3311 ATN9/C3	NTN	112.0 kN	Clearance: C3 — this part: CN (Normal)
MRC.5311CZZ	NTN	112.0 kN	Seal: 2Z shield — this part: Open

What this sheet is — and what the catalogue did not say

The envelope is recorded dimensions only: the same bore, outside diameter and width. Every designation above shares all three, or it would not be on this page.
The four compared fields are Type, Seal, Clearance, Precision. Two recorded spellings were counted to mean one value and are read as one: CN/Normal = CN, and ABEC-1/P0 = P0. A third precision spelling, P0/Class4, is deliberately not equated with either — the catalogue's meaning for it has not been sourced, so it lands in the warnings where both spellings are printed for the reader to judge.
A blank is a difference. Missing is the absence of the proof, not the proof.
Cage material and ring material are never compared: the catalogue records neither, on any bearing row.
Suffixes the catalogue does not record separately — a snap ring (NR) and anything else outside those four fields — are not compared, and this sheet does not claim they match.
Ranking is recorded dynamic load, strongest first, with an unrecorded rating ranked last. It orders the lists; it is not a verdict.
Compiled from catalogue records. This is not a manufacturer interchange list, no manufacturer has confirmed any line on it, and it does not know what job the bearing is doing. Verify before fitting.

Anyone with this link can view this part and its recorded candidate comparison.

BEARINGBRAIN.COM/PART/3311ANR/SUBSTITUTE