Inch Single Row Series
Material: Chrome Steel (Gcr15) / Case-Hardened Steel
Structure: Single Row / Inch / Various Profiles
Precision: ABEC-1, ABEC-3, ABEC-5
Cage: Pressed Steel
Clearance: C2, C0, C3 (Axial)
Bore Range: 0.625" – 6.000"
Application: North American industrial equipment, inch-standard gearboxes, legacy machinery
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The Inch Single Row Series tapered roller bearings conform to imperial dimensional standards for North American and legacy machinery applications. Available across a wide range of inch profiles with ABEC precision grades, these bearings provide reliable combined load performance. Essential for US-market industrial equipment, inch-standard gearboxes, and retrofit projects.
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 | 17.02 | 34.2 | 10.67 | 17.1 | 11.5 | 11000 | 0.06 |
| LM11949 | 19.05 | 39.7 | 10.92 | 21.4 | 14.5 | 10000 | 0.09 |
| LM12749 | 21.97 | 44.45 | 14.22 | 34.7 | 23.5 | 8500 | 0.14 |
| LM67048 | 31.75 | 59.13 | 15.87 | 58.3 | 39.5 | 6000 | 0.21 |
| LM48548 | 34.92 | 65.08 | 18.54 | 77.8 | 52.5 | 5300 | 0.3 |
| 25577 | 38.1 | 79.76 | 23.62 | 120 | 85 | 4500 | 0.63 |
| M12649 | 20.5 | 50.29 | 14.48 | 41.6 | 28 | 8000 | 0.17 |
| HM88649 | 36.51 | 72.62 | 22.22 | 92.5 | 62.5 | 4800 | 0.48 |
