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.
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Super-precision angular contact ball bearing, 160 x 220 x 28 mm, 25° contact angle, class P4A. Complete three-bearing TBT triplex set.
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$3,747.62
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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.
Super Precision Angular Contact Ball Bearing 160 x 220 x 28 mm, 15° Contact Angle, P4S Class, Phenolic Cage, Extra-Thin 719 Section, Universal Light Preload$942.96
Matched Pair Super-Precision Angular Contact Ball Bearings – 160 mm ID, 220 mm OD, 28 mm Width Each, Open, 25° Contact Angle, Phenolic Cage, Medium Preload, 2 Pcs$2,293.76
Super-Precision Angular Contact Ball Bearing - 160 mm ID, 240 mm OD, 38 mm Width, Open, 15° Contact Angle, Light Preload, ABEC 7$758.85
Angular Contact Ball Bearing — 160 mm ID, 240 mm OD, 38 mm Width, 15° Contact Angle, ABEC 7, Light Preload$1,124.52| MFR / Brand | SKF |
|---|---|
| MPN | 71932ACDP4ATBTG375 |
| Model | 71932ACD/P4ATBTG375 ABEC7 2MM9332WI 7932 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 160 mm |
| OD | 220 mm |
| Width | 28 mm |
| Material | Steel |
|---|---|
| Series | 71900 |
| Preload | Light |
| Base Number | 71932 |
| Industry Terms | Spindle bearing; super-precision bearing; precision angular contact bearing; machine tool bearing; triplex set bearing |
| Common Misspellings | 71932 ACD P4A TBTG375; 71932ADCP4A; 719 32 ACD; 71932ACDP4ATBT6375; 71932 ACD P4A TBT G375 |
| Application Types | Machine tool spindles; grinding spindles; high-speed motor spindles; precision rotary tables |
| Overall Width | 28 mm |
| Mpn Variants | 71932 ACD/P4ATBTG375; 71932ACDP4ATBTG375; 71932-ACD-P4A-TBTG375; 71932ACDP4A; 71932ACDP4ATBTB; 7932A |
| Arrangement Configuration | Complete three-bearing TBT triplex set |
| Precision Class | P4A |
| Cage Type | Outer-ring shoulder-guided |
| Dynamic Load Rating | 124,000 N |
| Static Load Rating | 153,000 N |
| Precision Rating | P4A |
| Rolling Elements | Ball |
| Item Weight | 2.64 kg (5.82 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | TBT triplex — two in tandem, one back-to-back |
| Bearing Material | Bearing steel |
| Cross Reference 1 | Timken/Fafnir 3MM9332WICR |
|---|---|
| Cross Reference 2 | FAG B71932-E-T-P4S |
| Cross Reference 3 | NSK 7932A5TRP4 |
| Cross Reference 4 | RHP 71932X3TRP4 |
SKF 71932 ACD/P4A super-precision, high-capacity single-row angular contact ball bearings, supplied to the TBTG375 matched-set execution. Bore Diameter: 160 mm. Outside Diameter: 220 mm. Overall Width: 28 mm. Contact Angle: 25°. Precision Class: P4A. Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Cage Type: Outer-ring shoulder-guided. Bearing Material: Bearing steel. Item Weight: 2.64 kg (5.82 lb) per bearing.
719 — ISO extra-light dimension series. A 160 mm bore carries a 220 mm outside diameter in a 28 mm section.
32 — bore code. 32 × 5 = 160 mm.
AC — 25° contact angle. The higher angle carries more axial load and raises axial stiffness.
D — high-capacity internal design.
P4A — SKF super-precision tolerance class: P4 dimensional accuracy with running accuracy held tighter still.
TBT — triplex set arrangement: two bearings in tandem sharing thrust in one direction, the third set back-to-back against them to take thrust the other way.
Dynamic Load Rating: 124,000 N. Static Load Rating: 153,000 N. Both figures are per bearing. At this section the static rating sits above the dynamic one, which is normal for the extra-light 719 series and sets a high permanent-deformation limit at rest.
Contact Angle: 25°. Radial load is carried together with axial load acting in one direction, with the steeper load line favouring thrust capacity and axial stiffness over top speed.
The tandem pair carries thrust one way between two bearings rather than one, and the third ring reverses to take the return thrust. That combination suits a spindle nose loaded hard in one direction with a lighter reverse load.
Mounting Arrangement: TBT triplex — two in tandem, one back-to-back. Bore Type: Straight. Item Weight: 2.64 kg (5.82 lb) per bearing. Harmonization Code: 8482.10.50.
Unit Quantity: 3 Pcs. A complete factory TBT triplex set, all three ground to the same matched execution.
Same envelope, same 25° angle, same super-precision class: Timken/Fafnir 3MM9332WICR, FAG B71932-E-T-P4S, NSK 7932A5TRP4, RHP 71932X3TRP4.
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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