Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
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Availability:
45 in stock
Super-precision angular contact ball bearing, 25 x 47 x 12 mm, 15° contact angle, P4 class, phenolic laminate cage, open faces, single row.
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$64.57
45 in stock
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| MFR / Brand | FAG |
|---|---|
| MPN | 7005TGP4 |
| Model | B 7005 C TPA P4 / 7005 TG P/4 / 2MM9105WI CR |
| Bearing Type | Angular Contact Ball Bearing |
| Condition | New |
|---|---|
| Base Number | 7005 |
| Industry Terms | spindle bearing, super precision bearing, machine tool bearing, precision angular contact bearing, 15 degree angular contact |
| Common Misspellings | 7005TGP4 FAG, 7005 TGP4, 7005TG P4, B7005 CTPA P4, FAG 7005 TPG4, 7005TCP4 |
| Application Types | Machine tool spindles, grinding spindles, high-speed motorised spindles, precision gearboxes, milling heads |
| Bore Shaft Size | 25 mm (0.9843 in) |
| Mpn Variants | 7005TGP4, 7005 TG P4, 7005-TG-P4, 7005 TG P/4, B7005C.TPA.P4, B7005-C-TPA-P4, B 7005 C TPA P4, B7005CTPAP4 |
| Arrangement Configuration | Single bearing, universally matchable for back-to-back, face-to-face or tandem sets |
| Precision Class | P4 (ABEC 7) |
| Cage Material | Fabric-base laminate phenolic |
| Number Of Rows | 1 |
| Harmonization Code | 8482.10.5008 |
| Contact Angle | 15 degrees |
| Design Units | Metric |
| Part Number | 7005TGP4 |
| Cross Reference 1 | 2MM9105WI CR (Timken/Fafnir, 15 degree contact angle, phenolic cage) |
|---|---|
| Cross Reference 2 | B7005-C-TPA-P4-UL (related size, universal light preload specified) |
| Cross Reference 3 | B7005-C-T-P4S-UL (related size, P4S class, phenolic cage) |
| Cross Reference 4 | 7005CTYNSULP4 (related size, NSK, polyamide cage) |
FAG 7005TGP4 is a single-row super-precision angular contact ball bearing, also catalogued as 7005-TG-P4 and in the current Schaeffler scheme as B7005-C-TPA-P4. Bore 25 mm, outside diameter 47 mm, width 12 mm. Both faces are open, and the bearing is a non-separable unit with solid inner and outer rings and a one-piece ball and cage assembly.
The 70 prefix is the ISO angular contact dimension series and 05 is the bore code, giving a 25 mm bore. C denotes a 15° contact angle. TG in the legacy FAG scheme, and TPA in the current scheme, denote a fabric-base laminate phenolic window cage. P4 is the running-accuracy class, equivalent to ABEC 7.
A 15° contact angle is the high-speed, low-thrust option in the angular contact range. It trades axial rigidity for a lower ball-set centrifugal load and less heat generation, which is why the C angle is the usual choice for machine tool spindles running at speed. A 25° or 40° angle in the same envelope carries more thrust and turns slower.
The phenolic laminate cage is machined from cotton-fabric-reinforced resin. It is light, runs with a low coefficient of friction against the ball surface, and holds oil in its own structure, all of which suit high-speed grease and oil-air lubrication. It is a distinct material from the glass-fibre polyamide cages carried by the TVP, TVH and TVPB suffixes.
One bearing. Supplied as a single universally matchable spindle bearing, which mounts alone or against a second bearing of the same designation in a back-to-back, face-to-face or tandem set.
The wide face of the outer ring and the wide face of the inner ring mark the load-carrying side, and the direction of thrust is taken through them. Mounting is by interference on the shaft and a location fit in the housing, with clean handling and light oiling of the seats appropriate to a P4-class part.
The Timken/Fafnir 2MM9105WI CR is the same envelope with a 15° contact angle and a phenolic outer-land-riding cage. Same-size bearings carrying an E or a B angle code, a TVP polyamide cage, a 2RSD seal or a different preload letter are related sizes rather than direct substitutions.
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