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Timken 2MM9324WI QUH is a super precision angular contact ball bearing configured as a quadruplex set with heavy preload (QUH). This ABEC 7 (P4S) precision class bearing is designed for high-rigidity machine tool spindles and boring heads requiring maximum axial and radial stiffness under heavy cutting loads.
MODEL 2MM9324WI QUH
Returnable: Yes
0.8661 in C0 - Static Radial Rating (per row)
66900 N
12600 lbf Cage type
CR - Phenolic Outer Land Riding Cage Contact angle:15 Design units:Metric Inner ring backing diameter:130.4 mm
15000 lbf C1 ISO - Dynamic Radial Rating (per row)
56400 N
3.4644 in World part number
71924C-T-P4S-QUH
5.130 in Limiting Speed (Grease) (per row)
7700 RPM Limiting speed (oil):15400 rpm Manufacturing part number:2MM9324WI QUH O.D. (in):165 mm 6.4961 Outer ring backing diameter:155 mm
6.100 in Precision rating
ISO P4S (ABEC 7/9) Rows per set:Quadruplex Total width:88 mm
Ball type
Steel Bearing width:22 mm
Ball Type
STEEL
Bearing Width
22 mm 0.8661 in
Bore
120 mm
C1 ISO - Dynamic Radial Rating (per row)
56400 N 12600 lbf
Cage Type
CPhenolic Outer Land Riding Cage
Contact Angle
15 º
Design Units
Metric
DOuter Ring Backing Diameter
155 mm 6.1000 in
Dynamic Radial Rating (per row)
62000 N 13900 lbf
I.D.
120 mm
Inner Ring 'To Clear' Radius
1 mm 0.039 in
Inner Ring Backing Diameter
130.4 mm 5.130 in
Limiting Speed (Grease) (per row)
7700 rpm
Limiting Speed (Oil)
15400 rpm
Manufacturing Part Number
2MM9324WI QUH
Outer Diameter
165.000 mm 6.4961 in
Outer Ring 'To Clear' Radius
1 mm 0.039 in
Precision Rating
ISO P4S (ABEC 7/9)
Rows per Set
Quadruplex
Static Radial Rating (per row)
66900 N 15000 lbf
Total Width
88.000 mm 3.4644 in
World Part Number
71924C-T-P4S-QUH
SPINDLE BEARINGS ULTRA-LIGHT ISO 19 SERIES
HIGH PRECISION MV
Running accuracy, performance and dimensional controls conform to ABEC 7 (ISO P4) requirements.
SUPER PRECISION MM
Running accuracy and performance meet ABEC 9 (ISO P2) levels. Other features conform to ABEC 7 (ISO P4) requirements.
WI CONSTRUCTION
- Incorporates low shoulder on non-thrust side of outer rings.
- Balls separated by one-piece cage piloted against a ground thrust shoulder land of the outer ring.
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read moreHow do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more