NTN 6318/C3VL0241

Deep groove ball · Open

The seat — 90 MM × 190 MM × 43 MM

Bore

90 MM

Outside dia

190 MM

Width

43 MM

Type

Deep groove ball

Seal

Open

Clearance

Precision

ABEC-1 (P0)

Dynamic C

151.0 kN

Static C0

108.0 kN

88 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 — 12 designations

Part number	Manufacturer	C	C0
6418.C3	FAG (Schaeffler)	161.6 kN	107.1 kN
6418C3	NTN	155.2 kN	102.8 kN
6318-2RS1/C3	NTN	151.0 kN	108.0 kN
6318-2Z/C3	NTN	151.0 kN	108.0 kN
6318-2Z/C3GJN	NTN	151.0 kN	108.0 kN
6318-Z/C3	NTN	151.0 kN	108.0 kN
6318/C3	NTN	151.0 kN	108.0 kN
6318/C3S1	NTN	151.0 kN	102.0 kN
6318 M/C3	NTN	151.0 kN	108.0 kN
6318 M/C3VL0241	NTN	151.0 kN	108.0 kN
6318.C3	FAG (Schaeffler)	144.4 kN	93.9 kN
6318C3	NTN	138.7 kN	90.2 kN

Check before substituting — 76 designations · top 12 shown

Part number	Manufacturer	C	Differs from this part
21318 E	NTN	393.0 kN	Type: Spherical — this part: Deep groove ball Clearance: CN (Normal) — this part: C3
21318 E/C3	NTN	393.0 kN	Type: Spherical — this part: Deep groove ball
21318 EK	NTN	393.0 kN	Type: Spherical — this part: Deep groove ball Clearance: CN (Normal) — this part: C3
21318 EK/C3	NTN	393.0 kN	Type: Spherical — this part: Deep groove ball
N 318 ECM	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball Clearance: CN (Normal) — this part: C3
N 318 ECM/C3	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball
N 318 ECP	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball Clearance: CN (Normal) — this part: C3
N 318 ECP/C3	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball
NJ 318 ECJ	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball Clearance: CN (Normal) — this part: C3
NJ 318 ECJ/C3	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball
NJ 318 ECM	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball Clearance: CN (Normal) — this part: C3
NJ 318 ECM/C3	NTN	365.0 kN	Type: Cylindrical — this part: Deep groove ball

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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