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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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1 in stock
Super-precision angular contact spindle bearing, 75x130x25 mm; 15° contact angle, universally ground with light preload, supplied as half of a duplex pair. Stacks DB, DF or tandem for machine-tool spindles, grinders and high-speed motion control.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7215CTDUL-1/2PR |
| Model | 7215-C-T-DUL-P0 / 7215 C T UL / B-7215-X2-TA-UL-EP1 |
| Bearing Type | Angular Contact Ball Bearing |
| Width | 25 mm |
| Preload | Light |
|---|---|
| Base Number | 7215 (ISO) |
| Common Misspellings | 7215CTDUL 1/2PR; 7215CTDUL-12PR; 7215-C-T-DUL-P0; 7215CTDULP4; RHP 7215 CTDUL; R.H.P. 7215CTDUL; 7215CTDUL half pair |
| Application Types | Machine-tool spindles; precision grinding spindles; high-speed motion control; rotary tables and indexers; instrument spindles |
| Bore Shaft Size | 75 mm (2.9528 in) |
| Mpn Variants | 7215CTDUL-1/2PR; 7215CTDUL1/2PR; 7215-C-T-DUL; 7215CTDUL; B-7215-X2-TA-UL-EP1; 7215C |
| Manufacturer Status | RHP acquired by NSK; RHP and NSK designations cross-reference directly. Made in England |
| Compatible With Replaces | RHP / NSK-RHP 7215CTDUL halves - pair only with another universally ground half of the same designation and preload class; shares the 75x130x25 mm 15° super-precision envelope with equivalent SKF, FAG and Timken spindle bearings, but arrangement (SU/DU) and preload class (L/M/H) must match before substituting |
| Number Of Rows | 1 (single bearing, half of a pair) |
| Contact Angle | 15° |
| Part Number | 7215CTDUL-1/2PR |
RHP 7215CTDUL-1/2PR super-precision angular contact ball bearing in the ISO 7215 size. Bore Diameter: 75 mm (2.9528 in). Outside Diameter: 130 mm. Overall Width: 25 mm. Contact Angle: 15°. Preload: Light. Number Of Rows: 1. Rolling Elements: Ball. Mounting Arrangement: Universal. Unit Quantity: 1 Pc. One piece from a factory duplex pair.
C — 15° contact angle.
T — machined cage.
DUL — duplex universal, light preload.
1/2PR — one piece from a factory duplex pair.
Light preload favours speed and low heat generation over maximum rigidity, which suits higher-speed spindles. A 15 degree contact angle likewise favours speed and radial capacity rather than pure thrust.
Unit Quantity: 1 Pc. DUL describes how two of these behave when mounted together. Because the rings are universally ground, any two matched halves of the same designation and preload class stack back-to-back (DB), face-to-face (DF) or in tandem (DT) and reach the specified preload.
RHP was acquired by NSK, and RHP and NSK designations cross-reference directly. This part also appears as B-7215-X2-TA-UL-EP1. Typical duty is machine-tool spindles, precision grinders, high-speed motion control and rotary tables.
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