Angular Contact Ball Bearings · 7300 reference
Preserve the B designation. Review the contact angle, bearing arrangement and axial positioning against the offered drawing; the suffix alone is not a universal angle specification.
d 20 mm · D 52 mm · B 15 mm
Structure and designation
Preserve the B designation. Review the contact angle, bearing arrangement and axial positioning against the offered drawing; the suffix alone is not a universal angle specification.
These d/D/B boundary dimensions identify the recorded envelope. Bearing family and internal structure remain separate selection inputs.
Family-specific dimensions
These d/D/B boundary dimensions identify the recorded envelope. Bearing family and internal structure remain separate selection inputs. Values are source-published millimetre references unless identified as a structural field.
| Model | d — Bore diameter | D — Outside diameter | B — Width |
|---|---|---|---|
| 7304B | 20 mm | 52 mm | 15 mm |
Model-specific review
The comparison with 7204B keeps the shaft opening but increases both outside diameter and width. Check housing radial space and axial space independently rather than selecting by bore alone.
Specification boundary
These values describe the cited engineering reference. They do not verify LTO-specific load ratings, speed limits, material, precision, clearance, seals, application suitability or interchangeability. Provide the complete designation, quantity, drawing and operating conditions for quotation review.
Source transparency
Reference publisher JTEKT; designation 7304B. Source checked 2026-09-21. Reference data alone do not establish the exact supplied configuration.
| Model | 7304B |
|---|---|
| Bearing family | Angular Contact Ball Bearings |
| Dimension schema | radial_bearing_ddb |
| Source document | JTEKT 7304B official product data |
| Reference designation | 7304B |
| Supply review | Sourcing, production coordination and quotation support; actual configuration confirmed per offer. |
Sourcing and quotation
Share the complete model, quantity, available drawing and operating conditions. We will review the offered specification and quotation details.
