NTN 5S-7916UC angular contact ball bearing
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
- Series
- 79U
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Description
NTN 5S-7916UC belongs to angular contact ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 5S-7916UC and any equivalents.
The NTN 5S-UC line covers angular contact ball bearings built for arrangements that carry radial and axial forces at the same time while holding tight tolerances. Machine tool spindles, measuring instruments and positioning axes are typical homes for this series, where stiffness and repeatable accuracy matter more than raw speed alone.
Reading the code tells you most of what you need. The 5S prefix marks a precision bearing fitted with ceramic balls, a choice that lowers rotating mass and suits higher running speeds. UC, the suffix, signals a universally combinable layout: bearings can be paired in back-to-back, face-to-face or tandem arrangements without extra matching work.
Typical installations include milling, grinding and machining center spindles, plus metrology equipment, rotary tables and NC systems. Because the contact angle carries axial load in either direction, these bearings fit axes that must position exactly and return to the same point again and again.
Selection comes down to a few decisions: how the bearings will be arranged, what internal clearance is needed, and which lubrication method suits the speed and temperature. Pairs need a controlled preload to keep the assembly rigid. Shaft alignment and effective sealing do as much for service life as the bearing choice itself. Grease or oil both work, depending on operating conditions.
For replacements, bearings from other makers that share the same boundary dimensions and tolerances can serve. Check the principal dimensions and the design suffix before ordering, since that combination determines whether the substitute behaves like the original.
Send the full part number and our team will come back with a quote, suggest an equivalent where useful, and help confirm the right option for your equipment.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the UC suffix indicate?
- It means the bearing is universally combinable, so it can be mounted in pairs in back-to-back, face-to-face or tandem arrangements without further adjustment, which simplifies building a set with controlled preload.
- How does the 5S series differ from other angular contact bearings?
- The 5S designation covers precision bearings with ceramic balls. Lower inertia supports higher speeds, and the ceramic rolling elements run with less heat buildup, which suits high-precision spindle work.
- How do I get a quote for a 5S-UC bearing?
- Send the complete part number by WhatsApp or email. The team replies promptly and can point you to a compatible equivalent if needed.