CHIHAI460 Brushed DC Motor and Shaft Options

Overview

The CHIHAI MOTOR460 series brushed DC motor selection includes short-shaft, long-shaft and Tiangong ARP9 versions with ferrite or rare-earth magnets. Choose the numbered motor and shaft format that matches your hobby mechanism. A double-ball-bearing sleeve and a pinion puller are also offered as separate accessory selections; neither includes a motor.

Features

Copper winding, ball-bearing construction and balanced armature on the pictured motor series.
Ferrite, N10 rare-earth, N35H NdFeB and N52 NdFeB choices identified by motor number.
Nylon or CNC aluminium-alloy rear caps depending on the selected model.
Short, long and ARP9 shaft envelopes with configuration-specific pinion contents.

Specifications

Item	Reference
Motor family	460 / CHF-460SA brushed DC; selected SHS and ARP9 versions vary
Operating-voltage references	7.4V and11.1V speed tables; standard460SA operating range7.4-12V DC
Motor body reference	29.5 mm width;25.2 mm depth;40.5 mm can length
Overall envelopes	Short67 mm; long86 mm; ARP9 72 mm, as pictured
Standard460SA mass	Approximately119 g; varies with motor version
Construction	Copper winding, ball-bearing structure and dynamically balanced armature
Connections	Use matched2.8 mm female spade terminals; do not solder directly to the motor tabs
Accessories	Separate double-ball-bearing sleeve or motor-pinion puller, only when selected

Motor Selection

Item type	Version	11.1V rpm	7.4V rpm	Magnet	Rear cap	Pinion contents	Overall mm	Shaft/pinion projection mm
Short Shaft Motor	No.8 Green Demon - Powder Pinion	34000	22000	Ferrite	Nylon	Powder-alloy pinion	67	9
Short Shaft Motor	No.9 Green Demon - MIM Pinion	34000	22000	Ferrite	Nylon	MIM steel-cut pinion	67	13.5
Short Shaft Motor	No.10 SHS - MIM Pinion	34000	22000	Ferrite	Nylon	MIM steel-cut pinion	67	13.5
Short Shaft Motor	No.11 SHS - Powder Pinion	34000	22000	Ferrite	Nylon	Powder-alloy pinion	67	9
Long Shaft Motor	No.12 Ferrite	36000	23000	Ferrite	Nylon	No pinion included	86	35.5
Long Shaft Motor	No.13 N10 Rare Earth	33000	21500	N10 bonded rare-earth magnet	Nylon	No pinion included	86	35.5
Long Shaft Motor	No.14 N35H NdFeB	35000	23000	N35H NdFeB	Nylon	No pinion included	86	35.5
Long Shaft Motor	No.17 N35H High Speed	37000	24000	N35H NdFeB	CNC aluminium alloy	Hardened powder-alloy pinion	86	35.5
Long Shaft Motor	No.20 Green Demon - Powder Pinion	34000	22000	Ferrite	Nylon	Powder-alloy pinion	86	35.5
Long Shaft Motor	No.21 Green Demon - MIM Pinion	34000	22000	Ferrite	Nylon	MIM steel-cut pinion	86	35.5
Long Shaft Motor	No.22 SHS - Powder Pinion	34000	22000	Ferrite	Nylon	Powder-alloy pinion	86	35.5
Long Shaft Motor	No.23 SHS - Black Pinion	34000	22000	Ferrite	Nylon	Hardened powder-alloy pinion	86	35.5
ARP9 Motor	Tiangong High Speed	35000	23000	Ferrite	Nylon	Powder-alloy pinion	72	18.5
ARP9 Motor	Tiangong High Torque	28000	18000	N35H NdFeB	Nylon	MIM steel-cut pinion	72	18.5
Short Shaft Motor	No.24 N52 High Torque	33000	21000	N52 NdFeB	CNC aluminium alloy	MIM gold-colored steel pinion	67	15.5

Speeds are motor reference values at the named voltage, not loaded mechanism speed. Match the mounting envelope, shaft, pinion and electrical load. Numbered models are separate configurations; a shared460 label does not establish identical torque, current or fit. The No.9/10 cards show67 mm overall and13.5 mm projection; use the complete drawing and check your actual installation clearance.

Standard460SA Performance at11.1V

The following table applies to the standard ferrite high-speed460SA reference. It does not assign the same current or torque to every rare-earth, SHS, N52 or ARP9 selection. Stall and maximum-power conditions are separate from continuous operation.

Condition	Speed rpm	Current A	Torque mN·m	Mechanical output W	Efficiency
No load	34000	2.6	-	-	-
Stall	0	99.0	292.34	0	-
Maximum efficiency	29258	16.044	40.769	124.91	70.1%
Maximum power output	17917	48.2	146.172	260.484	-

Characteristic	Reference
Torque constant	3.033 mN·m/A
Back-EMF constant	3.033 mV/(rad/s)
Dynamic resistance	0.1121 ohm
Motor regulation	116.30 rpm/(mN·m)

Do not operate stalled.99A is the stall-condition reference, not an acceptable continuous current. Provide a supply, switching circuit, connectors and wiring suited to the actual selected motor and load. Avoid overload and excessive temperature.

Installation and Compatibility

The short-shaft460SA illustration shows a D-bore metal pinion and29.5 x25.2 x67 mm overall envelope including output shaft and pinion. Long and ARP9 versions require their own shaft clearance. No.12,13 and14 are shown without a pinion; fit a compatible pinion separately. Existing pinion and mechanism geometry must match the chosen motor.

Use suitable2.8 mm female spade connections rather than soldering directly to the motor tabs. Standard illustrations mark the positive terminal at the red-marked tab and the negative terminal at the opposite tab. Check the selected motor markings before energizing. Ordinary460 motors have lower torque than480-size alternatives; do not assume equivalent operation in demanding electronic trigger-control assemblies. No.24 is the specifically marked N52 high-torque configuration supporting compatible electronic control, while the ARP9 high-speed version recommends a mechanical switch.

Separate Accessories

Double-ball-bearing sleeve: one sleeve, color supplied at random; no motor included.
Motor pinion puller: one extraction tool; no motor or replacement pinion included.

Choose these only when needed for a matching assembly. They are not automatically included with a motor selection.

Applications

For compatible hobby motor-drive mechanisms using the selected short, long or ARP9 motor envelope. Verify pinion mesh, shaft clearance and load before installation. Shaft format and numbered specification matter more than cosmetic rear-cap or sleeve color.

What's Included

One selected motor with the pinion only where specified, or one separately selected bearing sleeve or pinion-puller tool. Batteries, wiring harness, controller, complete mechanism and other accessories are not included.