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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:
1 in stock
Super precision angular contact ball bearing, 35 x 55 x 10 mm, 25° contact angle, open, ball-guided cage, light preload, ABEC 7, 30000 rpm on oil.
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$196.40
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| MFR / Brand | NSK |
|---|---|
| MPN | 7907A5TYSULP4 |
| Model | 7907 A5 TY SUL P4 / 3MM9307 / B-71907-E |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 35 mm |
| OD | 55 mm |
| Width | 10 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7900 |
| Preload | Light, 110 N |
| Base Number | 7907 |
| Industry Terms | Super precision spindle bearing; thin section angular contact bearing; machine tool spindle bearing; 25 degree angular contact; 19 series precision bearing |
| Common Misspellings | 7907 A5TY SULP4; 7907A5TYSUL-P4; 7907A5TYNSULP4 (NSK cage variant); 7907 ASTYSULP4 |
| Application Types | Machine tool spindles; grinding spindles; precision rotary tables; instrument drives; compact motor spindles |
| Bore Shaft Size | 35 mm (1.3780 in) |
| Mpn Variants | 7907A5TYSULP4; 7907A5-TY-SUL-P4; 7907 A5 TY SUL P4; 71907; 7907E; 3MM9307; 3MM9307WI-SUL; B-71907-E |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Ball-guided |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Item Weight | 0.075 kg |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 7907A5TYSULP4 |
| Limiting Speed | 22000 rpm grease; 30000 rpm oil |
| Cross Reference 1 | Fafnir 3MM9307WI SUL (carton marking) |
|---|
NSK 7907A5TYSULP4 super precision angular contact ball bearing, single row, 35 mm bore, 55 mm outside diameter, 10 mm width. Open on both faces, ball-guided cage, 25° contact angle, light preload, ISO Class 4 running accuracy. One piece. The carton also carries 3MM9307WI SUL and B-71907-E.
7 — NSK standard-series high-accuracy angular contact range.
9 — the 19 dimension series, the thin-section series.
07 — bore number; 07 x 5 gives the 35 mm bore.
A5 — 25° contact angle, matching the 3MM prefix on the Fafnir-scheme marking.
SU — single row universal.
L — light preload.
P4 — ISO Class 4, equivalent to ABEC 7.
Bore Diameter: 35 mm. Outside Diameter: 55 mm. Overall Width: 10 mm. Contact Angle: 25°. Number Of Rows: 1. Rolling Elements: Ball. Closure Type: Open. Cage Type: Ball-guided. Precision Class: ABEC 7 / P4. Preload: Light, 110 N. Permissible Axial Load: 7.20 kN. Limiting Speed: 22000 rpm grease; 30000 rpm oil. Axial Rigidity: 93 N per micron in a back-to-back or face-to-face pair. Measured Axial Clearance: minus 3 microns. Maximum Temperature: 120°C. Item Weight: 0.075 kg. Unit Quantity: 1 Pc.
Shaft abutment diameter: 40 mm minimum. Housing abutment diameter: 50 mm maximum, with a second housing step of 52.5 mm maximum. Corner fillets: 0.6 mm on the shaft side and 0.3 mm on the opposite side. Effective load centre: 15.5 mm from the reference face. Universal grinding: any two bearings from the range stack back-to-back, face-to-face or in tandem at the ground preload.
Fafnir 3MM9307WI SUL is marked on the same carton. Part number variants: 3MM9307, 3MM9307WI-SUL, B-71907-E, 71907, 7907E.
Bore 35 mm, outside diameter 55 mm, width 10 mm.
25° contact angle and ISO Class 4 (P4, equivalent to ABEC 7).
22000 rpm on grease and 30000 rpm on oil.
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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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