NSK 6222DDU

Deep groove ball · 2RS contact seal

The seat — 110 MM × 200 MM × 38 MM

Bore

110 MM

Outside dia

200 MM

Width

38 MM

Type

Deep groove ball

Seal

2RS contact seal

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Dynamic C

140.1 kN

Static C0

91.1 kN

71 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 — 4 designations

Part number	Manufacturer	C	C0
6222-2RS1	NTN	151.0 kN	118.0 kN
6222.2RSR	FAG (Schaeffler)	144.4 kN	93.9 kN
62222RS	Timken	141.6 kN	92.1 kN
6222LLU	NTN	138.7 kN	90.2 kN

Check before substituting — 67 designations · top 12 shown

Part number	Manufacturer	C	Differs from this part
N 222 ECM	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
N 222 ECM/C3	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal Clearance: C3 — this part: CN (Normal)
N 222 ECP	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
NJ 222 ECJ	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
NJ 222 ECM	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
NJ 222 ECML/C4	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal Clearance: C4 — this part: CN (Normal)
NJ 222 ECP	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
NU 222 ECJ	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
NU 222 ECJ/C3	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal Clearance: C3 — this part: CN (Normal)
NU 222 ECM	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal
NU 222 ECM/C3	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal Clearance: C3 — this part: CN (Normal)
NU 222 ECM/C3VL0241	NTN	335.0 kN	Type: Cylindrical — this part: Deep groove ball Seal: Open — this part: 2RS contact seal Clearance: C3 — this part: CN (Normal)

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.

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