Inch Taper Roller Bearing 639213
639213
Bore Diameter:15 mm
Outside Diameter:42 mm
Width:13.5 mm
The 639213 bearing is a Taper roller bearing with an inner diameter of 15 mm , an outer diameter of 42 mm, a width of 13.5 mm. Inch type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
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Detailed description
Inch taper roller bearing structure and the assembling size precision and the rotating precision is different from the metric bearing. For imports of machinery or the special needs of the industry.
Inch taper roller bearing refers to its dimensions are in inches is metric tapered roller bearings, source in the British and American countries; structural forms: single row and four column
Prefix letter by 1-2 letters, used to represent the design of bearing working level.
EL: super light
LL: with light
L: light
LM: light
M: medium
HM: heavy
H: heavy
HH: heavy duty
EH: super heavy
T: thrust bearings for
Single tapered roller bearing with an outer ring, the inner ring and a group of tapered roller made of basket cage Luo an inner module package. The outer ring and the inner ring assembly can be separated, in accordance with the ISO tapered roller bearings - Boundary dimensions standard regulation, any one of the standard models of the tapered roller bearing outer ring or inner ring assembly shall be of the same type inner or outer ring assembly of international exchange. That is the same type of outer ring except the external dimensions, tolerances shall be in accordance with the provisions of the ISO492 ( GB307 ), the inner components of the cone angle of cone diameter, component must also comply with the relevant provisions of the exchange.
Usually, a single-row tapered roller bearing outer ring raceway of cone angle in the 10° ~19 °before, can simultaneously bear bearing axial load and radial loads. Cone angle is bigger, bear the axial load capacity is bigger. Big cone angle of the bearing, post code and B, cone angle 25 ° ~29°, it can bear large axial load. In addition, a single-row tapered roller bearing can be installed in the process to adjust the clearance size.
Double row tapered roller bearing outer ring ( or inner ring ) is a whole. Two inner ring ( or outer ring ) small end face similar, the middle ring, clearance by spacer thickness to adjust, can also be used to adjust the spacing ring thickness of double row tapered roller bearing with preload interference.
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