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Catalogue substitution sheet
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NTN QJ 309 MA/C3

Angular · Open

The seat — 45 MM × 100 MM × 25 MM

Bore
45 MM
Outside dia
100 MM
Width
25 MM
Type
Angular
Seal
Open
Clearance
C3
Precision
ABEC-1 (P0)
Dynamic C
100.0 kN
Static C0
83.0 kN

164 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 — 0 designations

No designation in this seat matches this part on all four compared fields.

Check before substituting — 164 designations · top 12 shown

Part numberManufacturerCDiffers from this part
21309 ENTN129.0 kN
Type: Spherical — this part: Angular
Clearance: CN (Normal) — this part: C3
21309 E/C3NTN129.0 kN
Type: Spherical — this part: Angular
21309 EKNTN129.0 kN
Type: Spherical — this part: Angular
Clearance: CN (Normal) — this part: C3
21309 EK/C3NTN129.0 kN
Type: Spherical — this part: Angular
N 309 ECPNTN112.0 kN
Type: Cylindrical — this part: Angular
Clearance: CN (Normal) — this part: C3
NJ 309 ECJNTN112.0 kN
Type: Cylindrical — this part: Angular
Clearance: CN (Normal) — this part: C3
NJ 309 ECJ/C3NTN112.0 kN
Type: Cylindrical — this part: Angular
NJ 309 ECMNTN112.0 kN
Type: Cylindrical — this part: Angular
Clearance: CN (Normal) — this part: C3
NJ 309 ECMLNTN112.0 kN
Type: Cylindrical — this part: Angular
Clearance: CN (Normal) — this part: C3
NJ 309 ECML/C3NTN112.0 kN
Type: Cylindrical — this part: Angular
NJ 309 ECPNTN112.0 kN
Type: Cylindrical — this part: Angular
Clearance: CN (Normal) — this part: C3
NJ 309 ECP/C3NTN112.0 kN
Type: Cylindrical — this part: Angular
What this sheet is — and what the catalogue did not say

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

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