Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
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Super-precision spindle angular contact ball bearing, 50 x 80 x 16 mm, 15° contact angle, ABEC 7, medium preload, machined phenolic outer-ring-guided cage.
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| MFR / Brand | GMN |
|---|---|
| MPN | S6010CTAA7UM |
| Model | S 6010 C TA A7 UM / 2MM9110WI CR SUM / 7010C T P4 SUM / ABEC7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 50 mm |
| OD | 80 mm |
| Width | 16 mm |
| Series | S6000 |
|---|---|
| Condition | New – Open box |
| Preload | Medium |
| Material | Bearing Steel |
| Base Number | S6010 |
| Industry Terms | Spindle bearing, super precision bearing, machine tool bearing, angular contact ball bearing, universally matchable bearing, phenolic cage bearing |
| Common Misspellings | GNM, GMN Germany, S 6010 CTA, S6010CTAA7UN, S6010 C TA UM, GMN Paul Muller |
| Application Types | Machine tool spindles, grinding and milling spindles, high-speed motor spindles, precision rotary tables, high-speed gearboxes |
| Condition Note | Made In Germany, New Old Stock, Dried Grease (Bearing May Need New Grease To Spin Freely) |
| Overall Width | 16 mm |
| Bore Shaft Size | 50 mm |
| Mpn Variants | S6010CTAA7UM, S 6010 C TA A7 UM, S-6010-C-TA-ABEC7-UM, S6010CTA, S6010C, 7010C |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Bore: 50 mm. Outside Diameter: 80 mm. Overall Width: 16 mm. Contact Angle: 15 deg. Precision Class: ABEC 7 / P4. Preload: Medium. Cage Material: fabric-base laminated phenolic. Cage Type: machined, outer-ring guided. Rolling Elements: ball, 1 row. Closure: open. Bore Type: straight. Internal Clearance: N/A, preload-set. Dynamic Load Rating: 28 kN (6,290 lbf). Static Load Rating: 24.3 kN (5,460 lbf). Limiting Speed: 26,000 rpm. Temperature: -30 to +100 C. Weight: 0.56 lb. Series: GMN S6000. Unit Quantity: 1 Pc. |
| Min Temp | -30 °C |
| Cage Type | Machined, outer-ring guided |
| Dynamic Load Rating | 28 kN (6,290 lbf) |
| Static Load Rating | 24.3 kN (5,460 lbf) |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Balls |
| Max Temp | 100 °C |
| Item Weight | 0.56 lbs |
| Cage Material | Fabric-base laminated phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | N/A |
| Internal Clearance | N/A — preload-set |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universally matchable — back-to-back, face-to-face or tandem |
| Design Units | Metric |
| Bearing Material | Bearing steel |
| Part Number | S6010CTAA7UM |
| Cross Reference 1 | SKF 7010 CD/P4ADGB |
|---|---|
| Cross Reference 2 | Fafnir 2MM9110WI-CR-SUM |
| Cross Reference 3 | 7010C-T-P4-SUM |
GMN S6010CTAA7UM, a super-precision spindle angular contact ball bearing from GMN’s S Series. Bore: 50 mm. Outside Diameter: 80 mm. Overall Width: 16 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Preload: Medium. Number Of Rows: 1. Rolling Elements: Ball. Bearing Material: Bearing steel. Cage Material: Fabric-base laminated phenolic. Cage Type: Machined, outer-ring guided. Closure Type: Open. Bore Type: Straight. Internal Clearance: N/A — the bearing is preload-set, not clearance-set. Series: GMN S6000. Country of Origin: Germany.
Contact Angle: 15°, from the C in GMN’s own designation scheme. Precision Class: ABEC 7, from the A7. Cage: TA — a machined, outer-ring-guided cage in fabric-base laminated phenolic. Preload: UM — universally matchable, medium preload. Base Number: S6010. GMN files the S 6000 range under Angular Contact, S Series, and in GMN’s scheme the S prefix plus the angle letter decides the bearing type — so this is an angular contact bearing carrying a published contact angle, not a deep groove type.
Dynamic Load Rating: 28 kN (6,290 lbf). Static Load Rating: 24.3 kN (5,460 lbf). Limiting Speed: 26,000 rpm. Operating Temperature Range: −30 °C to +100 °C. A 15° contact angle puts the load path closer to radial, which raises the speed limit and lowers the heat generated at speed — the reason 15° is the standard choice for the fast end of a machine-tool spindle stack. The outer-ring-guided phenolic cage runs on a lubricated land rather than being carried by the balls, so ball-to-cage pocket forces stay low at high speed and the cage itself absorbs and releases lubricant. Medium preload sits in the middle of the light / medium / heavy ladder: stiffer shaft location than light preload, more speed capability than heavy.
Unit Quantity: 1 Pc. Mounting Arrangement: Universally matchable — back-to-back, face-to-face or in tandem. Both faces are ground to a common reference, so any two or more pieces of this designation stack directly into a duplex, triplex or quad set at medium preload without shims or regrinding. Item Weight: 0.56 lb.
Cross-Reference 1: SKF 7010 CD/P4ADGB. Cross-Reference 2: Fafnir 2MM9110WI-CR-SUM — 2MM = 15° on the Fafnir scheme, and 9110WI maps to ISO 7010. Cross-Reference 3: 7010C-T-P4-SUM. All three are 50 x 80 x 16 mm at 15°. Searchable variants of this designation: S6010CTAA7UM, S 6010 C TA A7 UM, S-6010-C-TA-ABEC7-UM, S6010CTA, and the ISO equivalent 7010C. Harmonization Code: 8482.10.50.
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