SUPER SMART BALL BUSHING™ BEARINGS | Open Type - For End-Supported Applications, Inch

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Thomson super smart balll bushing bearings

(Open Type) for End-Supported Applications
SUPER SMART BALL BUSHING™ BEARINGS – INCH

THOMSON BALL BEARINGS
	Super Smart Closed Type
	Super Smart Open Type
	Super Closed Type
	Super Open Type
	Precision Steel Closed Type
	Precision Steel Open Type

Specs
Drawing

*P=Preload, C=Clearance
ΔSee chart on bottom of this page.

NOTE:
Part number is for a standard item.
Other options available: Corrosion-Resistant, Nylon Balls, Ceramic Balls or Dry-Packed.

Super Smart Ball Bushing™ Bearings (Open Type) with Two Integral Wipers (Dimensions in inches)
Part Number	Nominal Diameter	Length C	C1	C2 min.	min. Slot Width E	Retention Hole		Angle deg α	Number of Ball Circuits	Ball Bushing Bearing mass lb
						Dia. F	Loc. G
TSSU-8-OPN-WW	.500	1.250/1.230	1.032/1.012	.050	.31	.13	.62	40	6	.07
TSSU-10-OPN-WW	.625	1.500/1.480	1.125/1.095	.055	.34	.11	.13	30	8	.09
TSSU-12-OPN-WW	.750	1.625/1.605	1.285/1.255	.055	.41	.14	.13	30	8	.13
TSSU-16-OPN-WW	1.000	2.250/2.230	1.901/1.871	.068	.53	.14	.13	30	8	.24
TSSU-20-OPN-WW	1.250	2.625/2.600	2.031/1.991	.068	.62	.20	.19	30	8	.43
TSSU-24-OPN-WW	1.500	3.000/2.970	2.442/2.402	.086	.74	.20	.19	30	8	.80

Part Number

Working
Bore
Diameter
T

Recommended
Housing Bore Dia.

Ball Bushing™
Bearing/LinearRace Fit Up

DynamicΔ
Load
Capacity
lbf

Fixed
D

Adjustable
D

Fixed Dia.*
Housing

Adjustable Dia.*
Housing
(Before Adjustment)

TSSU-8-OPN-WW

.5000/.4995

.8755/.8750

.8760/.8750

.0015C/.0000

.002C/.0000

360

TSSU-10-OPN-WW

.6250/.6245

1.1255/1.1250

1.1260/1.1250

.0015C/.0000

.002C/.0000

620

TSSU-12-OPN-WW

.7500/.7495

1.2505/1.2500

1.2510/1.2500

.0015C/.0000

.002C/.0000

1130

TSSU-16-OPN-WW

1.0000/.9995

1.5630/1.5625

1.5635/1.5625

.0015C/.0000

.002C/.0000

1900

TSSU-20-OPN-WW

1.2500/1.2494

2.0008/2.0000

2.0010/2.0000

.0018C/.0001P

.002C/.0001P

2350

TSSU-24-OPN-WW

1.5000/1.4994

2.3760/2.3750

.0021C/.0000

3880

Determining Ball Bushing Bearing Size
To determine the proper Ball Bushing bearing size, enter the chart with the maximum load of the most heavily loaded bearing and the required travel life. Mark where the two lines intersect. All Ball Bushing bearing sizes that pass through or above and to the right of this point may be suitable for this application.

Note: For the purpose of using this chart:

Load on Most Heavily
Loaded Bearing

Maximum Applied Load
K₀

where:
K₀ = the Load Correction Factor, which can be determined from the Polar Graph below.

Dynamic Load Capacity Correction Factor, K₀
The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearing or the direction of the applied load. For dynamic load correction factors, see polar graphs below.

Thomson Products

TSSU-8-OPN-WW

TSSU-10-OPN-WW
TSSU-12-OPN-WW
TSSU-16-OPN-WW
TSSU-20-OPN-WW
TSSU-24-OPN-WW

Polar Graphs
The actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load Correction Factor K0 is found by knowing the direction of the applied load relative to the orientation of the bearing’s ball tracks and referring to the polar graph. To determine the actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table.

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THOMSON BALL BEARINGS