SL182992-TB bearing: complete specifications & equivalents
The SL182992-TB is a ISO 15 radial bearing sized 460 x 620 x 95 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | FAG |
| Bore diameter d | 460 mm |
| Outer diameter D | 620 mm |
| Width B | 95 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | none |
| Basic dynamic load rating C | 2130 kN |
| Basic static load rating C0 | 4250 kN |
| Fatigue load limit Pu | 430 kN |
| Reference speed (thermal) | 310 rpm |
| Limiting speed (mechanical) | 570 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 81100 g |
| Manufacturer designation | SL182992-TB |
| Standard | ISO 15 |
| Catalog version | HR1 2026-09-25 |
| Last verified | 2026-09-30 |
Source: catalog reference (HR1 2026-09-25) · extracted 2026-09-30
Parameters extracted from the official FAG Rolling Bearings catalogue (HR1 2026-09-25); FAG® is a trademark of Schaeffler Technologies AG & Co. KG, used here for identification only — mpnbase is not an authorized FAG/Schaeffler distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at schaeffler.com.
Dimensions in inches & sl1829-series range
| Bore d | 18.11 in |
|---|---|
| Outer diameter D | 24.409 in |
| Width B | 3.74 in |
| ISO bore code | 92 |
| Radial section height (D−d)/2 | 80 mm |
| Smallest bore in sl1829-series | 60 mm |
| Largest outer diameter in sl1829-series | 670 mm |
| Width range across sl1829-series | 16–100 mm |
| Bore position in sl1829-series (smallest first) | 32 of 34 |
| Bore above smallest sl1829-series size | 400 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| SL182992 | ISO 15 | full Dimensions and internal design equivalent — standard interchange. | ISO 15 boundary-dimension envelope; brand-specific OEM equivalents (NSK/FAG/NTN) pending multi-source data. |
Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.
How the SL182992-TB model number is decoded
envelope 460×620×95 mm with a 80.0 mm radial section; every available circumferential space carries a roller because there is no cage C is 2130 kN and C0 4250 kN; with a C/C0 ratio of 0.50 the 95 mm-wide full complement concentrates on extreme static and steady radial capacity rather than speed the fatigue load limit Cur is 430 kN, the limiting speed 570 r/min and the thermal reference speed 310 r/min — full-complement roller-to-roller contact keeps both speeds well below caged cylindrical bearings of the same size the dynamic rating is 4.63 kN per millimetre of the 460 mm bore and 22.42 kN per millimetre of the 95 mm width, figures that explain the use of this bearing in compact, heavily loaded gearbox positions mass is 81.1 kg (81100 g) (1.38 g per mm² of the 620×95 mm envelope); the stiff, thick rings keep raceway deformation low under peak loads at 460 mm bore this is among the largest catalogue sizes; the 570 r/min limiting speed confirms a slow-speed, extreme-load application such as a slewing or rolling-mill position The dimension-series digits place this bearing in the SL18 section of the HR1 plan, giving the 80.0 mm section height between the 460 mm bore and the 620 mm outside diameter Reading the designation: SL18 marks the Schaeffler full-complement semi-locating type with one rib on the outer ring and two ribs on the inner ring; the rollers are axially guided by the inner ring while the outer ring can displace by the catalogue s-value -TB marks the TB execution with higher permissible axial load — the improved roller-end/rib lubrication film carries more thrust than the standard full-complement design. Typical applications include vibrating and oscillating machinery, heavy industrial gearbox shafts and rope drums and winch drums, where the 620 mm outside diameter and 2130 kN dynamic rating match the duty. In vibrating and oscillating machinery the unit fits a compact 460 mm seat, and in heavy industrial gearbox shafts the 81.1 kg mass is part of the rotor inertia calculation. Designers also specify it for rope drums and winch drums, relying on the 95 mm width and the published 4250 kN static rating. There is no cage: do not apply caged-bearing speed rules — the printed limiting speed is a hard kinematic ceiling set by roller-to-roller contact. C0 is the number that tempts overload in slow machinery, but fatigue life is still governed by the dynamic C rating and lubricant film.
Typical equipment & failure modes
Common applications
- hydraulic pumps and radial piston pumps
- heavy industrial gearbox shafts
- rolling-mill and steel-industry drives
- material handling conveyor pulleys
Known failure patterns
- raceway pitting from overloaded slow-speed positions where the cageless rollers repeatedly stress one contact band
- rib and roller-end scoring when applied axial thrust exceeds the semi-locating capacity
- roller smearing from roller-to-roller sliding at speeds above the limiting value
- edge loading and premature spalling caused by undetected shaft/housing misalignment (full-complement rows cannot self-align)
- brinelling of the raceways from static shock during mounting or transport of the heavy rotor
- lubricant starvation in the tightly packed roller set, especially in the double-row executions
- freting and creep on a loose ring seat under a rotating load
- contamination wear in open gearbox positions with damaged seals or breathers
- false brinelling from micro-movement while the shaft is stationary under vibration
Selection pitfalls — read before you substitute
- There is no cage: do not apply caged-bearing speed rules — the printed limiting speed is a hard kinematic ceiling set by roller-to-roller contact.
- C0 is the number that tempts overload in slow machinery, but fatigue life is still governed by the dynamic C rating and lubricant film.
- The bearings cannot accommodate angular misalignment; check shaft and housing parallelism before blaming the bearing for edge spalling.
Frequently asked questions
What are the dimensions of the SL182992-TB?
The SL182992-TB is a SL1829 single-row full-complement semi-locating cylindrical roller bearing with 620 mm outside diameter, 460 mm bore and 95 mm width, envelope 460×620×95 mm. Mass is 81.1 kg.
What does the SL182992-TB designation mean in the FAG/INA HR1 catalogue?
SL182992-TB identifies this SL1829 single-row full-complement semi-locating cylindrical roller bearing in the Schaeffler HR1 rolling bearings catalogue. The envelope is 460×620×95 mm and the catalogue ratings are C 2130 kN, C0 4250 kN, Cur 430 kN.
What is the load capacity of the SL182992-TB?
The basic dynamic load rating C is 2130 kN and the basic static load rating C0 is 4250 kN; the fatigue load limit Cur is 430 kN.
What is the maximum speed of the SL182992-TB?
The limiting speed is 570 r/min and the thermal reference speed is 310 r/min. In the Schaeffler catalogue the reference speed is the thermally permissible running speed under defined load; the lower of the two values governs each application.
What is the locating function of the SL182992-TB?
This is a semi-locating bearing: one rib on the outer ring and two on the inner ring guide the shaft axially in one direction, while the other direction is free for thermal expansion.
Reviewed & verified by the MPN Base engineering desk against source catalog HR1 2026-09-25 on 2026-09-30. Read our editorial & correction policy.