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Hub counterbore is tapered 1.505 to 1.495 in. Per ft, spot face 1.375 in. Diameter by 0.469 in. Thk centrally located in face of webbing
MRC:
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.AAWY
Counterbore Diameter:
3.435 inches
MRC:
The depth of the process used to enlarge part of a hole.AAWZ
Counterbore Depth:
0.406 inches
MRC:
The length of a straight line which passes through the center of an item,and terminates at the outside circumference.ABHE
Outside Diameter:
7.609 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
1.812 inches
MRC:
Designates the thread diameter and number of threads per specific measurement scale.ABUJ
Thread Size:
1/2 in. -20
MRC:
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.ABXV
Bore Diameter:
0.812 inches
MRC:
A measurement of the longest dimension of a bore.ADGE
Bore Length:
0.938 inches
MRC:
A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS
Pitch Diameter:
7.327 inches
MRC:
The number of holes provided for securing the item in a fixed position.AHYF
Securing Hole Quantity:
2
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.AQPL
Face Width:
Between 1.390 inches and 1.405 inches
MRC:
The physical configuration of the item.ARJD
Design Form:
Webbed
MRC:
Indicates the type of bore used on the item.ASBP
Bore Type:
Straight
MRC:
An indication of whether or not a counterbore feature is included.AXND
Counterbore Feature:
Included
MRC:
Indicates the location of the counterbore on the item.BDYS
Counterbore Location:
Both ends
MRC:
Indicates the location of the hole on the item.BFYT
Hole Location:
On webbing, 180 degrees apart, on a 2-3/4 in. Bolt circle
MRC:
An indication of whether or not a keying facility is included.BSGG
Keying Facility:
Not included
MRC:
The means by which the item is secured.BSNP
Securing Method:
Threaded hole
MRC:
An indication of whether or not a lightening hole/s/ is included.BXSJ
Lightening Hole:
Not included
MRC:
Designates the belt,chain,or film size for which the item is designed.BYFH
Belt/chain/film Size For Which Designed:
Roller chain
MRC:
Indicates the type of roller chain pitch for which the item is designed.BYFJ
Roller Chain Pitch Type For Which Designed:
Single pitch
MRC:
The number of rows of teeth provided.BYFL
Teeth Row Quantity:
3
MRC:
The center to center distance between the teeth rows.BYFM
Center To Center Distance Between Teeth Rows:
0.566 inches
MRC:
The number of teeth included in each row.BYFN
Teeth Quantity Per Row:
46
MRC:
The american standards association number by which the chain is identified.BYFP
Asa Standard Chain Number:
40-3
MRC:
The means used to test the rated hardness of an item.BYFQ
Hardness Rating Test Method:
Not rated
MRC:
An indication of whether or not a bore bearing is included.BYFS
Bore Bearing:
Not included
MRC:
An indication of whether or not a hub external keyway is included.BYFW
Hub External Keyway:
Not included
MRC:
The center to center distance between teeth measured along the pitch line.BYGF
Tooth Pitch:
0.500 inches
Hub End Outside Diameter And Location:
4.250 inches aa end
Distance From Outside Flange/rim To Hub End And Location:
0.4075 inches aa end and 0.4225 inches aa end
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, sae 1040
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1040
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Sae 1040 assn standard single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Webbed or spoked
