The Timken Company - F Type O-Rings ONLY

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F Type Flex Sleeves (with O-Ring)

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves (with O-Rings) and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve (with O-Ring), and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.

Note: F Type Flex Sleeves generally come with the required O-Ring. Other than for replacement purposes, F Type O-Rings are generally not ordered as a stand alone product. The F Type O-Ring works for both Exposed and Shrouded Bolt styles. F Type O-Rings do not work for FA (Alloy Steel) Type couplings.

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Unit of Measure

Items	69790400143 F Type O-Rings ONLY	69790400160 F Type O-Rings ONLY	69790400176 F Type O-Rings ONLY	69790400188 F Type O-Rings ONLY	69790400200 F Type O-Rings ONLY
Description	N/A F-1-O-RING-BUNA-N 70	N/A F-1.5-O-RING-BUNA-N 70	N/A F-2-O-RING-BUNA-N 70	N/A F-2.5-O-RING-BUNA-N 70	N/A F-3-O-RING-BUNA-N 70
Width	N/A 8.000 in
Height	N/A 6.000 in
Depth	N/A 1.00 in
Size	N/A 1	N/A 1 1/2	N/A 2	N/A 2 1/2	N/A 3
Type	N/A O-Rings
Hub Material	N/A Buna-N Rubber
Style	N/A O-Ring
Color	N/A Black
Normal Temperature Range	N/A -40 to 212 ºF
Nominal Torque	N/A 7600 in·lb	N/A 18900 in·lb	N/A 31500 in·lb	N/A 56700 in·lb	N/A 94500 in·lb
Max. Bore (Dimensions ID1/ID2)	N/A 1.654 in42 mm	N/A 2.205 in56 mm	N/A 2.874 in73 mm	N/A 3.346 in85 mm	N/A 4.213 in107 mm
Max. Speed (Unbalanced)	N/A 6000 rpm	N/A 5500 rpm	N/A 5000 rpm	N/A 4400 rpm	N/A 4000 rpm
Max. Speed (Balanced)	N/A 9000.00 rpm	N/A 8250.00 rpm	N/A 7500.00 rpm	N/A 6600.00 rpm	N/A 6000.00 rpm
Dimension AD	N/A 2.040 in51.82 mm	N/A 2.320 in58.93 mm	N/A 2.940 in74.68 mm	N/A 3.470 in88.14 mm	N/A 3.970 in100.84 mm
Distance between Shaft Ends (Dimension BSE)	N/A 0.130 in3.30 mm	N/A 0.130 in3.30 mm	N/A 0.130 in3.30 mm	N/A 0.190 in4.83 mm	N/A 0.190 in4.83 mm
Parallel Misalignment	N/A 0.056 in	N/A 0.060 in	N/A 0.085 in	N/A 0.105 in	N/A 0.115 in
Coupling Type	N/A Gear
Weight	N/A 0.25 lb	N/A 0.01 lb	N/A 0.25 lb	N/A 0.40 lb	N/A 0.60 lb
Complete Coupling Weight	N/A 9.00 lb	N/A 19.00 lb	N/A 34.00 lb	N/A 54.00 lb	N/A 80.00 lb
Cubic inches	N/A 48.00000 in³
Max. Angular Misalignment	N/A 1.50º per Gear Mesh