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ThomsonSPM12WWLinear Ball Bushing Bearing, 12 mm Shaft, 22 mm OD, 32 mm Length, Wipers Both Ends

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1 in stock

Thomson SPM12WW Super Ball Bushing linear bearing, 12 mm shaft, 22 mm OD, 32 mm long, with integral wipers both ends. Dynamic load 830 N, static 910 N.

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$30.87

1 in stock

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Specifications

Key Specifications

MFR / BrandThomson
MPNSPM12WW
GTIN662486260745
ModelSPM 12 WW
ID12 mm
OD22 mm

Technical Specifications

Inside Diameter12 mm
TypeLinear Bearing
Additional AttributesBall tracks: 5; self-aligning closed; rating basis 100 km; two integral wipers; metric SPM series
Dynamic Load Rating830 N
Static Load Rating910 N
Max Temp85°C
Item Weight0.02 kg (0.04 lb)
Overall Width32 mm
Mpn VariantsSPM12WW, SPM-12-WW, SPM 12 WW, SP M12 WW, SPM12-WW
SeriesSuper Ball Bushing SPM
Rolling ElementsBall
Industry Termslinear ball bushing; linear ball bearing; closed linear bearing; metric linear bushing; 12 mm linear bearing; linear motion bearing
Common MisspellingsThompson SPM12WW, Thomson SMP12WW, Thompson SPM 12 WW, Thomson ball bushing SPM12ww
Application TypesLinear guide systems on round shafting; automation and positioning slides; packaging and general machinery
Shaft Diameter12 mm

Cross-References

Cross Reference 1Bosch Rexroth R0670 212 40
Cross Reference 2SKF LBCD 12 A-2LS
Cross Reference 3INA KN12-B-PP
Cross Reference 4INA KN 1232-PP (earlier designation)
Cross Reference 5NB TK 12 UU; Samick LMES 12 UU
Seller Part Number: AG1B3#2CDTL3

Product Description

What this part is:

Thomson SPM12WW is a Super Ball Bushing linear bearing in the metric closed series, built for a 12 mm round shaft. Shaft Diameter: 12 mm. Outside Diameter: 22 mm. Length: 32 mm.

Decoding the designation:

SPM — Thomson Super Ball Bushing bearing, metric closed type.

12 — nominal shaft diameter, 12 mm.

WW — integral wipers at both ends.

Specifications:

Dynamic Load Capacity: 830 N, based on a rated travel life of 100 km. Static Load Limit: 910 N. Number of Ball Tracks: 5. Item Weight: 0.02 kg. Maximum Temperature: 85°C (185°F). Design: self-aligning, closed, for end-supported shafts.

Dimensions and mounting:

The bearing presses into a 22 mm housing bore and runs on a 12 mm hardened shaft. Overall length is 32 mm.

Compatibility and replacement:

Carton form: SPM-12-WW. The Thomson SPM12 and SPM12W executions differ in seal or wiper configuration.

Thomson’s cross reference sheet lists these 12 mm closed, two-wiper bearings against the SPM12WW: Bosch Rexroth R0670 212 40, SKF LBCD 12 A-2LS, INA KN12-B-PP (earlier KN 1232-PP), NB TK 12 UU and Samick LMES 12 UU.

CAD model and data sheet: available from Thomson (thomsonlinear.com).

Frequently asked questions:

What shaft does the SPM12WW fit?

A 12 mm diameter round linear shaft.

What does WW mean?

Integral wipers on both ends of the bearing.

What is the dynamic load capacity?

830 N at a rated travel life of 100 km, per Thomson.

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