Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Ball Screw Support Bearing Matched Pair 45x100x20 mm 60° Back-to-Back 2 Pcs$111.50
Ball Screw Support Bearing — 45 mm ID, 100 mm OD, 20 mm Width, Open, 60° Contact Angle, Heavy Preload, P3 Precision$130.03
Ball Screw Support Bearing - 45 mm Bore, 100 mm OD, 20 mm Width, 60 Degree Contact Angle, Sealed Both Sides, Heavy Preload, ABEC 7$144.27
Angular Contact Thrust Ball Bearing for Ball Screw Support - 45 mm ID, 100 mm OD, 20 mm Width, Straight Bore, Open, Back-to-Back Matched Pair.$210.95| MFR / Brand | Timken |
|---|---|
| MPN | MM45BS100QUH |
| Model | MM 45 BS 100 QUH |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 100 mm |
| Width | 20 mm |
| Series | BS |
|---|---|
| Preload | Heavy |
| Material | Bearing Steel |
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 29 kN / 6520 lbf |
| Static Load Rating | 76 kN / 17100 lbf |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Balls |
| Max Temp | 120 °C |
| Item Weight | 3.50 lbs |
| Cage Material | Polyamide |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 60° |
| Mounting Arrangement | Universal |
| Limiting Speed | 3000 rpm |
| Cross Reference 1 | NSK 45TAC100B |
|---|---|
| Cross Reference 2 | SKF BSD 45100 C |
Experience dependable precision with the Timken MM45BS100QUH Angular Bearing. This four piece set is designed for heavy duty industrial automation and motion control, delivering smooth operation at high speeds and under demanding loads. With a compact 45 mm bore, 100 mm outside diameter, and 20 mm width, it fits tight installations and multi bearing assemblies.
The bearing features an open design with a machined polyamide cage, supporting reliable lubrication and effective cooling for continuous use and reduced downtime. Key performance figures include a dynamic load rating of 29 kN and a static rating of 76 kN, with a practical speed limit near 3000 rpm. The ABEC 7 / P4 precision grade reflects tight tolerances ideal for precision machinery.
Manufactured in the United States by Timken, this bearing combines durable bearing steel construction with trusted brand reliability. Four bearings per order enable convenient stocking and seamless installation in equipment upgrades or routine maintenance. Elevate machine efficiency and longevity with this high quality angular bearing designed to handle heavy loads while maintaining smooth, accurate motion.
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If you pulled a bearing off general industrial equipment at random, there’s a good chance
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