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Ring gear SIR (Part Numbers)

Ring gear SIR

Ring-shaped internal gear. Useful in designs for large planetary gear mechanisms or speed ratios. Can also be used as gear for swivel mechanism.

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Japanese Only

Part Number

Configured Part Number is shown.

Part Number
SIR2-120
SIR2-200
SIR2.5-120
SIR2.5-200
SIR3-120
SIR3-160
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSTooth Width
(mm)
O.D.
(φ)
Module The Number of Teeth Backlash
(mm)

SGD 429.00

1 Piece(s) 5 Day(s) or more 102028621200.17~0.37

SGD 1,035.11

1 Piece(s) 10 Day(s) 102044622000.20~0.41

SGD 693.54

1 Piece(s) 10 Day(s) 10253552.51200.19~0.41

SGD 1,450.67

1 Piece(s) 10 Day(s) 10255552.52000.22~0.46

SGD 1,263.97

1 Piece(s) 10 Day(s) 103042431200.22~0.45

SGD 1,775.83

1 Piece(s) 10 Day(s) 103054431600.22~0.45
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSTooth Width
(mm)
O.D.
(φ)
Module The Number of Teeth Backlash
(mm)

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  1. 1

Basic Information

Material S45C Diameter of Hub(φ) Without hub Shape T1
Length of Hub(mm) No

Frequently asked question (FAQ)

Question: What is the hole diameter tolerance?
Answer: The hole diameter tolerance is finished at H8, but as the ring shape is easily deformed, a certain amount of error may result.

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