Timken Deep Groove Ball Bearings: Size Range, Types, and Selection Guide
Timken deep groove ball bearings are among the most versatile and widely used rolling bearings in the world. Engineered for high performance, they are produced in a massive variety of sizes—ranging from miniature bearings small enough to inspect with a microscope, to massive components weighing up to nine tons.
Based on the official Timken catalog, this guide details the nomenclature, size series, and specific dimensions to help you identify the correct part for your application.
Interactive Nomenclature Decoder
Hover over the boxes below to decode the part number:
SERIES
- 60: Extra-light
- 62: Light (Standard)
- 63: Medium
- 64: Heavy
BORE SIZE
05 x 5 = 25mm
08 x 5 = 40mm
SEAL
- 2RS: Rubber Seals
- ZZ: Metal Shields
- Open: No seals
CLEARANCE
- Blank: Normal
- C3: Loose (High Speed)
- C4: Extra Loose
Timken Product Series & Size Range
Timken deep groove ball bearings are categorized by their cross-section and intended load capacity.
1. Standard Series (6000, 6200, 6300)
This series covers bore sizes from 10mm up to 850mm+. Typical examples:
| Bearing No. | Bore (d) | O.D. (D) | Width (B) | Weight |
|---|---|---|---|---|
| 6000 | 10 mm | 26 mm | 8 mm | 0.020 kg |
| 6205 | 25 mm | 52 mm | 15 mm | 0.130 kg |
| 6309 | 45 mm | 100 mm | 25 mm | 0.840 kg |
| 6413 | 65 mm | 160 mm | 37 mm | 3.300 kg |
2. Miniature & Extra-Small Series (600)
Used in medical devices, robotics, and small motors.
| Bearing No. | Bore (d) | O.D. (D) | Width (B) | Max Speed |
|---|---|---|---|---|
| 623 | 3 mm | 10 mm | 4 mm | 66,000 RPM |
| 608 | 8 mm | 22 mm | 7 mm | 33,000 RPM |
| 638 | 8 mm | 28 mm | 9 mm | 28,000 RPM |
3. Thin-Section Series (61000)
Provides a compact solution with a lighter weight profile.
| Bearing No. | Bore (d) | O.D. (D) | Width (B) | Dynamic Load |
|---|---|---|---|---|
| 61805 | 25 mm | 37 mm | 7 mm | 4.30 kN |
| 61910 | 50 mm | 72 mm | 12 mm | 14.50 kN |
| 61812 | 60 mm | 78 mm | 10 mm | 11.50 kN |
Technical Comparison
| Feature | Deep Groove Ball Bearing | Standard / Angular Contact |
|---|---|---|
| Axial Load | High (Both Directions) | Low (or single direction) |
| Speed | Very High | High |
| Friction | Low | Low to Medium |
| Maintenance | Low (Sealed for life) | Varies |
Need a Cost-Effective Alternative to Timken?
While Timken sets a high standard for deep groove ball bearings, you don’t always need to pay the premium price for standard applications.
TFL Bearing provides high-precision interchangeable replacements that match Timken’s dimensions, load ratings, and performance specifications perfectly.
Reduce Costs
Competitive pricing without compromising quality.
100% Interchangeable
Drop-in replacements for 6000, 6200, & 6300 series.
Fast Availability
Short lead times for urgent project needs.
Get a Cross-Reference Quote Today
Learn more about TFL Bearings and our manufacturing standards.
