We never sell your data to third parties
Timken 2MMC9313WI DUM super precision angular contact ball bearing, duplex set with medium preload. P4S-grade ABEC 7/9 precision for high-speed, high-rigidity machine tool spindles, precision grinders, and jig borers. Duplex arrangement for back-to-back or face-to-face mounting, handling combined radial and thrust loads.
MODEL 2MMC9313WI DUM
Returnable: Yes
0.5118 in C0 - Static Radial Rating (per row)
19500 N
1.0236 in World part number
C71913C-T-P4S-DUM
2.770 in Limiting Speed (Grease) (per row)
17040 rpm Limiting speed (oil):34080 rpm Manufacturing part number:2MMC9313WI DUM O.D. (in):90 mm 3.5433 Outer ring backing diameter:85.2 mm
3.350 in Precision rating
ISO P4S (ABEC 7/9) Rows per set:Duplex Total width:26 mm
4370 lbf C1 ISO - Dynamic Radial Rating (per row)
21500 N
4810 lbf Cage type
CR - Phenolic Outer Land Riding Cage Contact angle:15 Design units:Metric Inner ring backing diameter:70.3 mm
Ball type
Ceramic Bearing width:13 mm
Ball Type
Ceramic
Bearing Width
13 mm 0.5118 in
Bore
65 mm
C1 ISO - Dynamic Radial Rating (per row)
21500 N 4810 lbf
Cage Type
CPhenolic Outer Land Riding Cage
Contact Angle
15 º
Design Units
Metric
DOuter Ring Backing Diameter
85.2 mm 3.350 in
Dynamic Radial Rating (per row)
23600 N 5290 lbf
I.D.
65 mm
Inner Ring 'To Clear' Radius
1 mm 0.039 in
Inner Ring Backing Diameter
70.3 mm 2.770 in
Limiting Speed (Grease) (per row)
17040 rpm
Limiting Speed (Oil)
34080 rpm
Manufacturing Part Number
2MMC9313WI DUM
Outer Diameter
90 mm 3.5433 in
Outer Ring 'To Clear' Radius
1 mm 0.039 in
Precision Rating
ISO P4S (ABEC 7/9)
Rows per Set
Duplex
Static Radial Rating (per row)
19500 N 4370 lbf
Total Width
26 mm 1.0236 in
World Part Number
C71913C-T-P4S-DUM
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.
| Brand | Gates Rubber |
| Model | T20-150-25M-LLUSNTB |
| Brand | MROSupply Fasteners |
| Model | FSTPCK-718280 |
| Brand | Champion |
| Model | XL38-31/64 |
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more