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Idler Sprockets with economy and INA bearings Steel C45

Idler Sprockets with economy and INA bearings Steel C45

Perfect for chain drives which require a tensioning sprocket, and where fixed idlers are preferred. These Idler Sprockets are supplied complete with built-in fully shielded and greased for life ball bearings. These provide lifetime maintenance-free operation and are are offered in two standards; an economy bearing for light duty applications, and a European bearing for higher loads and speeds.

Manufactured from medium carbon steel and secured to the outer race of the bearing by press fit, the extended width inner race also enables correct mounting on the shaft without the need for spacers.

Idler Sprockets can also be manufactured to order to suit other sizes of BS Chains and ANSI Series, in both Simplex and Multistrand construction, and with alternate numbers of teeth.

For specials please ask for a quote;
STK = Stock sizes
SD = Available on short delivery

No. teeth

Pitch

de

dp

A

Di*

F

B

H

Economy bearing

INA bearing

23 8mm x 3mm 62.15 58.75 2.8 16 40 12 18.3 SD SD
21 3/8″ x 7/32″ 68.00 63.90 5.3 16 40 12 18.3 STK STK
22 3/8″ x 7/32″ 71.00 66.93 5.3 16 40 12 18.3 STK STK
18 1/2″ x 1/8″ 78.90 73.14 3.0 16 40 12 18.3 STK STK
16 1/2″ x 3/16″ 70.90 65.10 4.5  16 40 12 18.3 STK SD
18 1/2″ x 3/16″ 78.90 73.13 4.5 16 40 12 18.3 STK STK
16 1/2″ x 5/16″ 69.50 65.10 7.2 16 40 12 18.3 STK STK
18 1/2″ x 5/16″ 77.80 73.14 7.2 16 40 12 18.3 STK STK
14 5/8″ x 3/8″ 78.00 71.34 9.1 16  40 12 18.3 STK  STK
15 5/8″ x 3/8″ 83.00 76.36 9.1 16 40 12 18.3 STK STK
17 5/8″ x 3/8″ 93.00 86.39 9.1 16 40 12 18.3 STK STK
13 3/4″ x 7/16″ 87.50 79.59 11.1 16 40 12 18.3 STK STK
15 3/4″ x 7/16″ 99.80 91.63 11.1 16 40 12 18.3 STK STK
12 1″ x 17.02 109.00 98.14 16.2 20 47 14 17.7 STK STK
13 1 1/4″ x 3/4″ 147.80 132.65 18.5 25 52 15 21.0 STK STK

* Bore Ø H12
All dimensions in mm. Intermediate sizes & special sprockets to drawing up to 1000mm diameter. Standard : to DIN 8187 ISO/R 606 – ANSI B29.1

Available from stock
Special order – typically 7-10 days

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