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Timken 2MMV9108HXVVDULFS934 is a super precision angular contact ball bearing configured as a duplex set with light preload (DUL). This P4S-grade (ABEC 7/9) spindle bearing is designed for high-speed machine tool applications requiring extreme rotational accuracy and rigidity, such as CNC machining centers, grinders, and jig borers. The duplex light preload configuration provides optimal stiffness for high-speed operation while minimizing heat generation.
MODEL 2MMV9108HXVVDULFS934
Returnable: Yes
0.5906 in C0 - Static Radial Rating (per row)
8510 N
1.800 in Limiting Speed (Grease) (per row)
26200 RPM Limiting speed (oil):52400 RPM O.D. (in):68 mm 2.6772 Outer ring backing diameter:62.2 mm
1910 lbf C1 ISO - Dynamic Radial Rating (per row)
14100 N
2.450 in Precision rating
ISO P4S (ABEC 7/9) Rows per set:Duplex Seal type:High Speed Total width:30 mm
3170 lbf Cage type
CR - Phenolic Outer Land Riding Cage Contact angle:15 Design units:Metric Inner ring backing diameter:45.7 mm
Ball type
Steel Bearing width:15 mm
Ball Type
STEEL
Bearing Width
15 mm 0.5906 in
Bore
40 mm
C0 - Static Radial Rating (per row)
8510 N 1910 lbf
C1 ISO - Dynamic Radial Rating (per row)
14100 N 3170 lbf
Cage Type
CR - Phenolic Outer Land Riding Cage
Ce - Dynamic Radial Rating (per row)
15500 N 3490 lbf
Contact Angle
15 º
d - Bore
40 mm
D - Outer Diameter
68 mm 2.6772 in
da - Inner Ring Backing Diameter
45.7 mm 1.800 in
Da - Outer Ring Backing Diameter
62.2 mm 2.450 in
Design Units
Metric
DOuter Ring Backing Diameter
62.2 mm 2.450 in
Dynamic Radial Rating (per row)
15500 N 3490 lbf
I.D.
40 mm
Inner Ring 'To Clear' Radius
1 mm 0.039 in
Inner Ring Backing Diameter
45.7 mm 1.800 in
Limiting Speed (Grease) (per row)
26200 rpm
Limiting Speed (Oil)
52400 rpm
Outer Diameter
68 mm 2.6772 in
Outer Ring 'To Clear' Radius
1 mm 0.039 in
Precision Rating
ISO P4S (ABEC 7/9)
R - Inner Ring "To Clear" Radius
1 mm 0.039 in
r - Outer Ring "To Clear" Radius
1 mm 0.039 in
Rows per Set
Duplex
Seal Type
High Speed
Static Radial Rating (per row)
8510 N 1910 lbf
Total Width
30 mm 1.1812 in
EXTRA-LIGHT ISO 10 SERIES
SUPER PRECISION MMV
Running accuracy and performance meet ABEC 9 (ISO P2) levels.Other features conform to ABEC 7 (ISO P4) requirements.
WN CONSTRUCTION
- Incorporates low shoulder on non-thrust side of both inner and outer rings.
- Balls separated by one-piece cage piloted against a ground thrust shoulder land of the outer ring.
HIGH-SPEED SEAL OPTION
Available with non-contact seals.
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.
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more