store Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
3 in stock
NSK 7912A5TRDULP4Y super-precision angular contact ball bearing pair, 60 x 85 x 13 mm, 25° contact angle, duplex light preload, ABEC 7. 2 pieces.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7912A5TRDULP4Y |
| GTIN | 029176588440 |
| Model | 7912 A5 TR DUL P4Y / 3MM 9312 WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 60 mm |
| OD | 85 mm |
| Width | 13 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 7900 |
| Preload | Light |
| Base Number | 7912A5 |
| Industry Terms | super precision bearing, spindle bearing, machine tool bearing, matched pair, duplex set, precision angular contact, ABEC 7 bearing, 25 degree bearing |
| Common Misspellings | NKS, N.S.K., 7912A5TRDLUP4Y, 79I2A5TRDULP4Y, 7912 A5TRDUL P4Y, 7912A5TRDULP4V |
| Application Types | Machine tool spindles, grinding spindles, ball screw ends, precision rotary tables, high-speed gearboxes |
| Bore Shaft Size | 60 mm (2.362 in) |
| Mpn Variants | 7912A5TRDULP4Y, 7912-A5-TR-DUL-P4Y, 7912 A5 TR DUL P4Y, 7912A5TRDULP4, 7912A5TR, 7912A5, 71912 |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Outer-ring guided |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 7912A5TRDULP4Y |
| Closure Type | Open |
| Cross Reference 1 | Fafnir 3MM9312WI-CR-DUL |
|---|---|
| Cross Reference 2 | SKF 71912 ACD/P4ADGA |
NSK 7912A5TRDULP4Y super-precision angular contact ball bearing, 60 x 85 x 13 mm, ISO base number 71912, supplied as a universally ground duplex pair. Unit Quantity: 2 Pcs.
7912 — single-row angular contact ball bearing, ISO 719 extra-light series, 60 mm bore.
A5 — 25° contact angle.
TR — outer-ring-guided phenolic cage.
DUL — duplex, universally ground, light preload.
P4 — ABEC 7 precision class.
Bore Diameter: 60 mm (2.362 in). Outside Diameter: 85 mm (3.346 in). Width: 13 mm (0.512 in) per bearing. Total Width: 26 mm (1.024 in) as a pair. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Closure Type: Open. Series: ISO 719 extra light.
Envelope: 60 x 85 x 13 mm per bearing. Both faces open. Universal grinding allows the pair to be arranged back-to-back, face-to-face or in tandem. Each bearing takes thrust in one direction.
Cross-references at 25° on the 71912 envelope: Fafnir 3MM9312WI-CR-DUL, SKF 71912 ACD/P4ADGA. MPN variants: 7912A5TRDULP4Y, 7912-A5-TR-DUL-P4Y, 7912 A5 TR DUL P4Y, 7912A5TRDULP4, 7912A5TR, 7912A5, 71912.
Each bearing has a 60 mm bore, 85 mm outside diameter and 13 mm width; the pair stacks to 26 mm.
Contact Angle: 25°, set by the A5 code in the NSK designation.
Two bearings: one universally ground duplex pair with light preload (DUL) and ABEC 7 / P4 precision.
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Our team can locate, cross-reference, and source all parts.
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