61900 Series (Thin Section) Deep Groove Ball Bearings
Material: Chrome Steel (Gcr15) / Stainless Steel
Structure: Single Row / Deep Groove / Thin Section
Precision: P0, P6, P5, P4 (ABEC-1 / ABEC-3 / ABEC-5 / ABEC-7)
Sealing: Open / ZZ / 2RS
Cage: Pressed Steel / Polyamide
Clearance: C2, C0, C3
Bore Range: 10mm – 100mm
Application: High-speed electric motors, machine tool spindles, dental handpieces, turbochargers
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The 61900 Series thin-section deep groove ball bearings span bore sizes from 10mm to 100mm with a consistently slim profile, offering a versatile solution for weight-conscious designs that cannot compromise on bore range. Available in precision grades up to ABEC-7 for ultra-smooth operation. Ideal for high-speed electric motor spindles, machine tool spindle bearing cartridges, dental handpieces, and turbocharger support bearings.
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) |
|---|---|---|---|---|---|---|---|
| 61900 | 10 | 22 | 6 | 2.70 | 1.40 | 38000 | 0.008 |
| 61901 | 12 | 24 | 6 | 2.90 | 1.50 | 34000 | 0.008 |
| 61902 | 15 | 28 | 7 | 4.30 | 2.25 | 28000 | 0.015 |
| 61903 | 17 | 30 | 7 | 4.50 | 2.45 | 26000 | 0.015 |
| 61904 | 20 | 37 | 9 | 6.40 | 3.25 | 22000 | 0.031 |
| 61905 | 25 | 42 | 9 | 7.00 | 3.65 | 19000 | 0.038 |
| 61906 | 30 | 47 | 9 | 7.70 | 4.15 | 17000 | 0.045 |
| 61907 | 35 | 55 | 10 | 10.20 | 5.60 | 15000 | 0.070 |
| 61908 | 40 | 62 | 12 | 12.70 | 7.00 | 13000 | 0.110 |
| 61909 | 45 | 68 | 12 | 13.80 | 7.80 | 12000 | 0.130 |
