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Product Search:
B212 cam holdback,one way freewheel
  • B212 cam holdback,one way freewheel
  • Price:
  • USD15-80
  • Mini Order:
  • 10 PCS
  • Capacity:
  • 50000 PCS /Month
  • Nearest Port:
  • Ningbo or Shanghai
  • Payment Terms:
  • TT L/C D/P D/A Paypal west-union
  • Price Terms:
  • FOB CIF CNF DDU
  • Lead Time:
  • 3-60 days

Product Packing & Delivery

Packing Detials:Industrial packing, Single box+carton, or as customer's request.


Delivery Detail:Be Allowed By Sea,By Air,By Rallway Or Express.

Product Quick Details

one way clutch bearing with keyway, without inner ring, full complement roller

Bearing Number:B212
Interchanged No.:WKB212 CKB212
Brand:KSC, Neutral or OEM
Size (mm):42 x 110 x 70.029
Material:GCr15
Precision:P0 , P6
Clearence:C2 C0 C3 C4 C5
Cage:No cage
Weight (Kg):1.8
Country of Origin:CHINA
Certification:ISO9001
Aplication:Mainly used for rubber shearring machine, agricultural machine, reaping machine.
B Series number intterchanged Nominal
torque max
no load
torque
free speed max
[r/min]
cycle/min
max
main dimension [mm] matching
bearing
weight
WKB CKB (N.m) (N.m) shaft outer ring A B C b x t [Kg]
B212 WKB212 CKB212 1230 0.294 1200 180 150 42 110 -0.02
-0.05
70.029 10X4.5 6212 1.8
B213 WKB213 CKB213 1230 0.294 1200 180 150 42 120 -0.02
-0.05
70.029 10X4.5 6213 2.3
B214 WKB214 CKB214 1390 0.392 1000 180 150 42 125 -0.024
-0.06
79.356 12X4.5 6214 2.4
Installation and usage (B200 series)
1> WKB200 series freewheels are shaft mounted same as B200 series clutch, so the shaft on which the clutch is mounted must be hardened to HRC56-60 and 1.5mm case depth after grinding. Grinding to 0.4S(16micro-inch) finish. The taper of this shaft should not exceed 0.01mm per 50mm.
2> When installing the clutch , usually mounting the clutch with bearings at both sides or on one side in order to obtain concentricity between the shaft and the clutch outer race and to take up radial or thrust loads which may work on the outer race or the shaft , See the installation example.
3> The clutch should be mounted on the shaft by rotating it in the direction marked by the arrow shown on the clutch plate. Do not apply shock to the clutch by hammering.
4> The clutches have the same outside diameters as the bearings shown in the table below, Bore tolerance of the housing in which the clutch is assembled should be within the range shown in the table below
5> Suggest oil lubrication for shifting
6> The concentricity between the housing bore and the shaft should be within 0.05mm
7> Plate keyway
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