Central Surplus Bearing Finder
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Super-precision angular contact ball bearing, 75 x 115 x 20 mm, ISO 7015 envelope. Single-direction thrust for opposed pairs in machine-tool spindles.
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$228.70
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Angular Contact Ball Bearing - 75 mm ID, 115 mm OD, 20 mm Width, 15° Contact Angle, P4S, Light Preload Duplex$124.84
Angular Contact Ball Bearing - 30 mm ID, 62 mm OD, 16 mm Width, 25° Contact Angle, P4S, Heavy Preload Duplex$50.93
Super-Precision Angular Contact Ball Bearing Duplex Pair – Straight Bore, 50 mm ID, 90 mm OD, 20 mm Width, Open, 25° Contact Angle, P4S, Medium Preload, 2 Pcs$51.62
Angular Contact Ball Bearing - 45 mm ID, 85 mm OD, 19 mm Width, 15° Contact Angle, P4S, Medium Preload Duplex$55.28| MFR / Brand | Barden |
|---|---|
| MPN | 115HX12 |
| GTIN | 697150270522 |
| Model | 7015 115 HX12 |
| Bearing Type | Angular Contact Ball Bearing |
| Preload | Not published. The X12 suffix is very likely a preload or special-execution code, but Barden publishes no public key for it and no value has been invented here. |
|---|---|
| Base Number | 115H |
| Industry Terms | angular contact ball bearing; super precision bearing; spindle bearing; precision ball bearing; duplex pair bearing; ABEC precision bearing; Barden precision bearings |
| Common Misspellings | 115HX12 bering; Barden 115 HX 12; 115HX-12; Bardon 115HX12; Barden 115HXI2 |
| Application Types | Machine-tool spindles; grinding spindles; high-speed rotating assemblies; instrument and metrology spindles; aerospace and defence precision assemblies. Not an automotive part. |
| Bore Shaft Size | 75 mm |
| Mpn Variants | 115HX12; 115H X12; 115-H-X12; 115HX-12; 115 HX12; 115H; 115-H; Barden 115HX12 |
| Distributor Stock Numbers | 697150270522 |
| Manufacturer Status | Barden is now part of Schaeffler; Barden precision bearings are supplied through the Schaeffler group (Barden -> Schaeffler). |
| Compatible With Replaces | Spindles and precision rotating assemblies with a 75 mm shaft and a 115 mm housing bore taking a 20 mm wide angular contact ball bearing. Substitution on boundary dimensions alone is not safe - contact angle, precision class and preload must be matched. |
| Arrangement Configuration | Single-direction thrust; used in an opposed pair or set (back-to-back, face-to-face or tandem) to locate a shaft axially in both directions |
| Precision Class | Super-precision, Barden standard for the 115H range |
| Additional Attributes | Boundary dimensions 75 x 115 x 20 mm, single row, open, ball rolling elements, super-precision spindle grade. Barden is part of Schaeffler. Ring and carton markings on the item carry the full Barden designation and the thrust-direction indication. |
| Number Of Rows | 1 |
| Contact Angle | Not specified |
| Design Units | Metric |
| Part Number | 115HX12 |
| Cross Reference 1 | 115-H-X12 (as listed) |
|---|---|
| Cross Reference 2 | X12 (Barden execution suffix, retained as a search term) |
| Cross Reference 3 | ISO 7015 (related size, same 75x115x20 mm envelope) |
| Cross Reference 4 | SKF 7015 - same envelope; SKF AC = 25 degree contact angle, verify before substituting |
| Cross Reference 6 | NSK 7015 - same envelope; NSK A = 30 deg, C = 15 deg, A5 = 25 deg |
| Cross Reference 7 | NTN 7015 - same envelope |
| Cross Reference 8 | Timken / Fafnir 2MM9115WI - same envelope; Fafnir 2MM = 15 deg, 3MM = 25 deg |
Barden 115HX12 super-precision angular contact ball bearing. Bore: 75 mm. Outside Diameter: 115 mm. Width: 20 mm. Rolling Elements: balls. Number of Rows: 1. Closure: open. An angular contact bearing carries radial load together with thrust in one direction, along a contact line inclined to the bearing axis. That one-way thrust capability is what lets a pair of them, mounted back-to-back, face-to-face or in tandem, hold a spindle rigidly in both directions under a controlled preload.
This is Barden’s own numbering system rather than ISO.
115H is Barden’s series and size designation. The 75 x 115 x 20 mm boundary dimensions place it in the same envelope as an ISO 7015, which is why 7015 appears here as a cross-reference. It is an envelope match: an ISO 7015 from another maker carries its own contact angle, ball complement, cage, tolerance class and preload.
X12 is a Barden execution suffix, carried here as a searchable cross-reference in the forms 115HX12, 115H X12, 115-H-X12 and 115 HX12.
Single-direction thrust bearing. Two or more are used in an opposed arrangement — back-to-back, face-to-face or tandem — to locate a shaft axially in both directions. Barden 115H bearings are stocked and sold both as singles and as matched sets, and the ring markings on the item identify which.
Handled as a precision component: clean bench, no impact loading, unwrapped at the point of fitting, and rings kept with their own bearing. Mounting orientation is set by the high-shoulder and thrust-direction marking on the rings, which faces the load. Preload in a super-precision arrangement is set by matched grinding or by measured spacers rather than by nut torque.
ISO 7015 is a same-envelope cross-reference for search: SKF 7015, FAG 7015, NSK 7015, NTN 7015 and Timken 2MM9115WI all occupy 75 x 115 x 20 mm. Contact angle, precision class and preload are set per brand and per suffix, and the letters do not translate between schemes — NSK A is 30°, NSK C is 15°, NSK A5 is 25°, SKF AC is 25°, Timken/Fafnir 2MM is 15° and 3MM is 25°. A same-envelope part at a different contact angle is a related size rather than an interchange.
Barden is part of Schaeffler, and Barden precision bearings are supplied through the Schaeffler group. Also searched as Barden Precision Bearings and the Barden UK super-precision range.
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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