All Product Types > ENGINEERED BEARINGS > Ball Bearings > Precision Ball Bearings > Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) > Part Number MM9316WI 3H QUL  

Part Number MM9316WI 3H QUL, 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
Quadruplex

Design Units
Metric

d - Bore
76.2 mm

Ball Type
STEEL

Cage Type
CR - Phenolic Outer Land Riding Cage

Manufacturing Part Number
MM9316WI 3HQUL


Dimensions

D - Outer Diameter
110 mm
4.3307 in

Bearing Width
15.88 mm
0.625 in

Total Width
63.52 mm
2.5000 in

Contact Angle
60 º


Basic Load Ratings

C0 - Static Radial Rating (per row)
77000 N
17300 lbf

Ce - Dynamic Radial Rating (per row)1
44500 N
10000 lbf

C1 ISO - Dynamic Radial Rating (per row)
40100 N
9020 lbf
1 Based on 106 revolutions of calculated fatigue life.


Factors

Limiting Speed (Grease) (per row)
1400 rpm

Limiting Speed (Oil) (per row)
2800 rpm


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1
0.8 mm
0.031 in

r - Outer Ring "To Clear" Radius2
0.800 mm
0.031 in

da - Inner Ring Backing Diameter
93.091 mm
3.665 in

Da - Outer Ring Backing Diameter
94.219 mm
3.7094 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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