FAG 3316 angular contact ball bearing
- Brand
- FAG
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
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Decoding FAG 3316
- 33Series
- Angular contact ball bearings, 33 series. Series differ in outside diameter and width even when the bore is the same.
- 16Bore
- Bore 80 mm (16 × 5).
3316 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
FAG 3316 measures 80 mm across the bore and 170 mm across the outside diameter; its width is 68.3 mm (80 x 170 x 68.3 mm).
FAG 3316 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 3316 and any equivalents.
Angular contact ball bearings from FAG are built with offset raceways, so they handle radial forces together with axial forces acting in a single direction. In practice they work in pairs, mounted face-to-face or matched, which cancels internal clearance and stiffens the assembly. MR Industrial Accessories LLC supplies this line to plants and maintenance teams that need precise, dependable rotation.
Reading the code is straightforward once you know the pattern. The four digits split into two pairs: the leading pair defines the dimension series, the trailing pair the bore diameter. So 3217, 3218 and 3220 belong to the 32 group, a medium section, while 3314, 3315, 3316 and 3318 sit in the 33 group, which is heavier in section. That gap between the two groups affects both the load the bearing can take and the room it needs on the shaft.
Typical duty is combined loading: centrifugal pumps, compressors, gearboxes, machine tool spindles, industrial fans and transmissions of many kinds. Chemical, food and cement plants, along with metalworking shops, rely on them where controlled clearance and good running speed matter.
Selection comes down to a few points: which way the axial load pushes, how the bearing is sealed or shielded, the internal clearance, and how it will be mounted. With angular contact types, pairing is the critical step, since the two bearings are adjusted against each other to remove play and share the load. Lubrication and housing alignment round out the picture and largely decide how long the arrangement lasts.
On a replacement job, check equivalences across brands. Each maker has its own designation system, yet the boundary dimensions and contact angle normally line up. Compare series and bore diameter before you commit. If anything is unclear, send the full part number and we will help you pin down the matching option.
For FAG angular contact bearings on your equipment, message us on WhatsApp or by email with the part number or model. The team answers quickly with technical details and a quote, and can suggest equivalents or help you choose.
Dimensions
80 x 170 x 68.3 mm (d x D x B): boundary dimensions for basic designation 3316, according to ISO 15.
- Bore
- 80mm
- Outside diameter (D)
- 170mm
- Width (B)
- 68.3mm
Same size, other brands
Other brands' pages with basic designation 3316: 80 x 170 x 68.3 mm (d x D x B) per ISO 15.
- RKB3316
What they share are the ISO 15 boundary dimensions, not the specs: seals or shields, internal clearance, cage and load rating may vary with brand and suffix. Every quote is by full part number.
Frequently asked questions
- FAG 3316 bearing: what are its dimensions?
- FAG 3316 measures 80 mm across the bore and 170 mm across the outside diameter; its width is 68.3 mm (80 x 170 x 68.3 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 3316.
- What makes a bearing an angular contact type?
- Its raceways are offset rather than parallel, which lets it carry radial load plus axial load in one direction. Pairing two of them covers both directions.
- How do I decide between the 32 and 33 series?
- The 33 series is the heavier section and carries more load than the 32. Available space and actual equipment loads drive the choice. Send the measurements and we will advise.
- Can FAG bearings be cross-referenced to other brands?
- Usually yes. Boundary dimensions and contact angle tend to match between manufacturers, so compare series and bore diameter. Give us the part number and we will guide you.