Inch Double Row Series
Material: Chrome Steel (Gcr15) / Case-Hardened Steel
Structure: Double Row / Inch / TDO Configuration
Precision: ABEC-1, ABEC-3, ABEC-5
Cage: Pressed Steel / Machined Brass
Clearance: C2, C0, C3 (Axial)
Bore Range: 1.000" – 8.000"
Application: Railway journal boxes, heavy industrial mill equipment, US-market machinery
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The Inch Double Row Series tapered roller bearings in TDO configuration provide bidirectional combined load support within inch dimensional envelopes. The back-to-back arrangement handles reversing thrust loads while maintaining high radial capacity. Trusted in railway journal boxes, heavy industrial mill equipment, and US-manufactured machinery requiring imperial fitment.
Technical Specifications
| Bearing No. | Bore (d) mm | Outer Dia. (D) mm | Width (B) mm | Dyn. Load Cr (kN) | Stat. Load Cor (kN) | Ref. Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| LM11749/10-DR | 17.02 | 34.2 | 22 | 34.2 | 23 | 9000 | 0.12 |
| LM11949/10-DR | 19.05 | 39.7 | 23 | 42.8 | 29 | 8000 | 0.18 |
| 25577/20-DR | 38.1 | 79.76 | 50 | 240 | 170 | 3600 | 1.26 |
| HM88649/10-DR | 36.51 | 72.62 | 47 | 185 | 125 | 3800 | 0.96 |
