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Material: Steel to BS970: Part I: 1983: 080M40
Operating Temperature Range:
Plain bored or keywayed wheels - 30ºC to 350ºC
Ball or taper roller bearinged wheels - 40ºC to 120ºC
The ´maximum load rating´ given for each wheel is based on the full tread width being in contact with the rail. Working loads must be calculated based on the useable rail width and operating conditions - see ´Design Data´ paras. 5.2.
Standard wheel features a 3º tread angle to assist centering of pairs of wheels on common axles when used with convex crown rails. When single flanged wheels are to be used singly or on flat topped rails, ´flat treads´, (which have the tread parallel to the wheel axis and flanges at a 5ºangle) should be specified by adding suffix ´FT´ to the part number. (Tread diameter may be reduced)
Alternative bore/bearing diameters and alternative bearing types (i.e. bronze bushes, self-lubricating bushes, roller bearings, spherical roller bearings, etc.) are available to order - see ´Design Data´ para. 6.0.
Plain bore wheels are not drilled and tapped for greasing unless requested at time of order.