Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
When a motor stops running, the first instinct is to find the part that looks
Availability:
1 in stock
List Price
$793.70
1 in stock

1 in stock
On the Shelf & Ready to Ship
On all orders

No Risk, No Hassle
Also Available From:
| 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 |
|---|---|
| Condition | New |
| 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 |
| 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.
$141.11
255 in stock
$53.53
48 in stock
$231.30
31 in stock
$137.64
92 in stock
A shipping cutoff banner measures a vendor’s dock. It tells
Nine bearing and power transmission manufacturers raised list prices this
When a motor stops running, the first instinct is to find the part that looks
From Caligula’s luxury fleet to modern factories, this is the story of how a single
When sourcing a replacement bearing, you will often find both Timken and SKF options for
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories