All Product Types > ENGINEERED BEARINGS > Ball Bearings > Precision Ball Bearings > Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) > Part Number MM9326WI 6H DUL  

Part Number MM9326WI 6H DUL, Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H)

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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
Duplex

Design Units
Metric

d - Bore
127 mm

Ball Type
STEEL

Cage Type
CR - Phenolic Outer Land Riding Cage

Manufacturing Part Number
MM9326WI 6HDUL


Dimensions

D - Outer Diameter
180 mm
7.0866 in

Bearing Width
22.23 mm
0.8750 in

Total Width
44.46 mm
1.75 in

Contact Angle
60 º


Basic Load Ratings

C0 - Static Radial Rating (per row)
186800 N
42000 lbf

Ce - Dynamic Radial Rating (per row)1
94300 N
21200 lbf

C1 ISO - Dynamic Radial Rating (per row)
85000 N
19120 lbf
1 Based on 106 revolutions of calculated fatigue life.


Factors

Limiting Speed (Grease) (per row)
750 rpm

Limiting Speed (Oil) (per row)
1500 rpm


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1
1 mm
0.039 in

r - Outer Ring "To Clear" Radius2
1 mm
0.039 in

da - Inner Ring Backing Diameter
155.054 mm
6.1045 in

Da - Outer Ring Backing Diameter
156.591 mm
6.165 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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