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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:
4 in stock
Super-precision angular contact ball bearing, one bearing (1/2PR half pair), 55 x 100 x 21 mm, 15° contact angle, P4 / ABEC 7, phenolic cage.
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$126.10
4 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | 7211CTDULP4-1/2PR |
| Model | 7211 C T DUL P4 / 2MM211WI CR DUL / 211HDL / 7211CDP4ADGA |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 55 mm |
| OD | 100 mm |
| Width | 21 mm |
| Material | Chrome Steel |
|---|---|
| Series | 7200 |
| Lubricant | Grease or oil |
| Preload | Light (DUL) |
| Base Number | 7211 |
| Industry Terms | Spindle bearing; machine tool bearing; super precision angular contact; half pair; single of a matched pair; grinding spindle bearing |
| Common Misspellings | 7211 CTDUL P4 1/2 PR; 7211CTDULP4 half pair; RHP 7211 CDUL |
| Application Types | Grinding spindles; high-speed milling spindles; precision machine tool headstocks |
| Bore Shaft Size | 55 mm |
| Mpn Variants | 7211CTDULP4-1/2PR; 7211CTDULP4; 7211-C-T-DUL-P4; 7211 C T DUL P4; 7211C |
| Manufacturer Status | RHP spindle bearing lines absorbed into NSK |
| Precision Class | P4 / ABEC 7 |
| Dynamic Load Rating | 53,000 N |
| Static Load Rating | 40,000 N |
| Precision Rating | P4 / ABEC 7 |
| Rolling Elements | Ball |
| Item Weight | 0.603 kg (1.33 lb) |
| Cage Material | Laminated phenolic |
| Number Of Rows | Single row |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal |
| Part Number | 7211CTDULP4-1/2PR |
| Closure Type | Open |
| Cross Reference 1 | FAG B7211-C-T-P4S-UL – 15°, single universal, light preload |
|---|---|
| Cross Reference 2 | SKF 7211 CDGA/P4A – 15°, single, preload class A |
| Cross Reference 3 | Fafnir 2MM211WICRDUL – 15°, light preload |
RHP 7211CTDULP4-1/2PR, a super-precision angular contact ball bearing sold as one bearing: the -1/2PR suffix marks half of a factory-ground duplex pair. Unit Quantity: 1 Pc. Bore Diameter: 55 mm. Outside Diameter: 100 mm. Overall Width: 21 mm. Contact Angle: 15°. Precision Class: P4 / ABEC 7. Rolling Elements: steel balls, single row. Closure Type: open.
7211 — ISO 72-series angular contact size, 55 x 100 x 21 mm.
C — 15° contact angle.
T — machined laminated phenolic cage.
DUL — duplex universal grinding, light preload.
P4 — ISO tolerance class 4, equal to ABEC 7.
-1/2PR — one bearing, half of a pair.
Contact Angle: 15°. Dynamic Load Rating: 53,000 N. Static Load Rating: 40,000 N. Precision Class: P4 / ABEC 7. Preload: light (DUL). Cage Material: laminated phenolic. Item Weight: 0.603 kg (1.33 lb). Lubricant: grease or oil. Bore Type: straight. Number Of Rows: 1. Material: chrome steel. Base Number: 7211. Unit Quantity: 1 Pc.
Shaft Abutment Diameter d1: 64 mm minimum. Housing Abutment Diameter D1: 91 mm maximum. Outer Ring Abutment Diameter D2: 94 mm maximum. Bearing Fillet Radius r: 1.5 mm minimum. Secondary Fillet Radius r1: 1.0 mm minimum. Effective Load Centre: 20.9 mm. Internal Volume: 27.8 cm³. Pitch Circle Diameter Of Lubrication Jets: 72.0 mm. Mounting Arrangement: universal.
Cross-references: FAG B7211-C-T-P4S-UL (15°, single universal, light preload), SKF 7211 CDGA/P4A (15°, single, preload class A) and Fafnir 2MM211WICRDUL (15°, light preload). Also written 7211X2TADULEP7 and 7211C-T-P4S-DUL.
One bearing: half of a factory-ground duplex pair. Unit Quantity is 1 Pc.
15°. The C in the designation marks 15°, and the carton alternate number 7211X2TADULEP7 carries X2, also 15°.
Bore Diameter 55 mm, Outside Diameter 100 mm, Overall Width 21 mm. Dynamic Load Rating 53,000 N and Static Load Rating 40,000 N.
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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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