All Product Types > ENGINEERED BEARINGS > Ball Bearings > Precision Ball Bearings > Fafnir® Spindle Angular Contact Ball Bearings (9300WI, 9100WI, 200WI, 300WI) > Part Number 2MMC230WICRTUM  

Part Number 2MMC230WICRTUM, Fafnir® Spindle Angular Contact Ball Bearings (9300WI, 9100WI, 200WI, 300WI)

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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.




Specifications  · Dimensions  · Basic Load Ratings  · Factors  · Abutment and Fillet Dimensions

Specifications

Rows per Set
Triplex

Design Units
Metric

d - Bore
150 mm

Ball Type
Ceramic

Cage Type
CR - Phenolic Outer Land Riding Cage

Precision Rating
ISO P4S (ABEC 7/9)

Manufacturing Part Number
2MMC230WI TUM

World Part Number
C7230C-T-P4S-TUM


Dimensions

D - Outer Diameter
270 mm
10.6299 in

Bearing Width
45 mm
1.7717 in

Total Width
135 mm
5.3151 in

Contact Angle
15 º


Basic Load Ratings

C0 - Static Radial Rating (per row)
272100 N
61200 lbf

Ce - Dynamic Radial Rating (per row)1
305200 N
68600 lbf

C1 ISO - Dynamic Radial Rating (per row)
277000 N
62400 lbf
1 Based on 106 revolutions of calculated fatigue life.


Factors

Limiting Speed (Grease) (per row)
6400 rpm

Limiting Speed (Oil)
12800 rpm


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1
2.5 mm
0.098 in

r - Outer Ring "To Clear" Radius2
2.5 mm
0.098 in

da - Inner Ring Backing Diameter
171.8 mm
6.770 in

Da - Outer Ring Backing Diameter
248.8 mm
9.800 in
1 Maximum housing fillet radius that bearing corners will clear.
2 Maximum shaft fillet radius that bearing corners will clear.



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