Part Number MM9316WI 3H SUL, Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) On The Timken Company

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


	Part Number MM9316WI 3H SUL, 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.

Unit of Measure: Imperial Metric Both

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

Specifications

Rows per Set		Single

Design Units		Metric

d - Bore		76.2 mm

Ball Type		STEEL

Cage Type		CR - Phenolic Outer Land Riding Cage

Manufacturing Part Number		MM9316WI 3HSUL

Dimensions

D - Outer Diameter		4.3307 in 110 mm

Bearing Width		0.625 in 15.88 mm

Total Width		0.625 in 15.88 mm

Contact Angle		60 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

17300 lbf
77000 N

Ce - Dynamic Radial Rating (per row)¹

10000 lbf
44500 N

C1 ISO - Dynamic Radial Rating (per row)

9020 lbf
40100 N

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

0.031 in
0.8 mm

r - Outer Ring "To Clear" Radius²

0.031 in
0.800 mm

da - Inner Ring Backing Diameter

3.665 in
93.091 mm

Da - Outer Ring Backing Diameter

3.7094 in
94.219 mm

¹ Maximum housing fillet radius that bearing corners will clear.
² Maximum shaft fillet radius that bearing corners will clear.

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Part Number MM9316WI 3H SUL, Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H)

Rows per Set

Design Units

d - Bore

Ball Type

Cage Type

Manufacturing Part Number

D - Outer Diameter

Bearing Width

Total Width

Contact Angle

C0 - Static Radial Rating (per row)

Ce - Dynamic Radial Rating (per row)1

C1 ISO - Dynamic Radial Rating (per row)

Limiting Speed (Grease) (per row)

Limiting Speed (Oil) (per row)

R - Inner Ring "To Clear" Radius1

r - Outer Ring "To Clear" Radius2

da - Inner Ring Backing Diameter

Da - Outer Ring Backing Diameter

Ce - Dynamic Radial Rating (per row)¹

R - Inner Ring "To Clear" Radius¹

r - Outer Ring "To Clear" Radius²