---
kind: "section"
citation: "49 C.F.R. § 230.102"
title: "49"
number: "230.102"
heading: "Tender plain bearing journal boxes."
url: "https://uscodex.org/cfr/49/230.102"
---

# §230.102. Tender plain bearing journal boxes.


Plain bearing journal boxes with the following defects shall be removed from service immediately and repaired:

- (a) A box that does not contain visible free oil;
- (b) A box lid that is missing, broken, or open except to receive servicing;
- (c) A box containing foreign matter, such as dirt, sand, or coal dust that can reasonably be expected to damage the bearing; or have a detrimental effect on the lubrication of the journal and bearing;
- (d) **A lubricating pad that—**
  - (1) Is missing;
  - (2) Is not in contact with the journal;
  - (3) Has a tear extending half the length or width of the pad, or more, except by design;
  - (4) Shows evidence of having been scorched, burned, or glazed;
  - (5) Contains decaying or deteriorated fabric that impairs proper lubrication of the pad;
  - (6) Has an exposed center core (except by design); or
  - (7) Has metal parts contacting the journal;
- (e) **A plain bearing that—**
  - (1) Is missing, cracked, broken;
  - (2) Has a bearing liner loose;
  - (3) Has a broken out piece; or
  - (4) **Has indications of having been overheated, as evidenced by—**
    - (i) **Melted babbitt—**
    - (ii) Smoke from hot oil; or
    - (iii) Journal surface damage; or
- (f) **A plain bearing wedge that—**
  - (1) Is missing, cracked or broken; or
  - (2) **Is not located in its design position.**

## Notes

### Authority

Authority: 49 U.S.C. 20103, 20107, 20702; 28 U.S.C. 2461 note; and 49 CFR 1.89.

### Source

Source: 64 FR 62865, Nov. 17, 1999, unless otherwise noted.
