Bore (d): 22.225 mm/ 0.875 inch
Outer Diameter (D): 66.421 mm/ 2.615 inch
Cone Width (B): 25.433 mm/ 1.0013 inch
Bearing Width (T): 23.813 mm/ 0.9375 inch
Mass: 0.46kg/ 1.014lb
Cone Number: 2684
Cup Number: 2631
Warranty: 1 year
2684/2631 bearing features a single-row taper roller bearing.
Bore (d): 22.225 mm/ 0.875 inch
Outer Diameter (D): 66.421 mm/ 2.615 inch
Cone Width (B): 25.433 mm/ 1.0013 inch
Bearing Width (T): 23.813 mm/ 0.9375 inch
Mass: 0.46kg/ 1.014lb
Cone Number: 2684
Cup Number: 2631
Enclosure: open
Precision: ABEC1, P0
Lubrication: grease or oil
Cage: steel cage
Material: chrome steel/ bearing steel
Operating Temperature: –30 °C to +120 °C
Interchange Numbers: 2684 / 2631, 2631/2684, 2684 – 2631, 2684-2631
1. High load capacity for heavy radial and axial loads — engineered roller and raceway geometry lets the bearing carry substantial combined loads in demanding industrial applications, improving equipment uptime and safety.
2. Precision-machined raceways for smooth rotation and low vibration — tight surface finishes and accurate profiles deliver consistent rolling contact, reducing noise and extending component life.
3. Hardened chrome steel rollers and rings for long wear life — through hardened bearing steel resists wear and surface fatigue under continuous operation, maintaining performance over extended service intervals.
4. Optimized roller profile to reduce friction and heat — tailored roller curvature minimizes contact stress and sliding, lowering operating temperatures and improving efficiency.
5. Robust cage design for consistent roller spacing and stability — a sturdy cage maintains even roller distribution at high speeds and under shock loads, preventing skewing and uneven wear.
6. Tight dimensional tolerances for easy fit and reliable alignment — precise outer and inner dimensions simplify assembly, ensure accurate shaft mounting, and reduce the need for rework.
| Model Number | Specifications(dxDxB) | Mass(kg) |
| 07087/07196 | 25.400×50.005×14.260 | 0.130 |
| 23100/23256 | 25.400×65.088×22.225 | 0.360 |
| 2687/2631 | 25.400×66.421×23.812 | 0.440 |
| 2473/2420 | 25.400×68.262×22.225 | 0.440 |
| 02473/02420 | 25.400×68.262×22.225 | 0.430 |
| M88036/M88010 | 25.400×68.262×22.225 | 0.440 |
| 26100/26274 | 25.400×69.723×19.050 | 0.400 |
| HM88630/HM88610 | 25.400×72.233×25.400 | 0.580 |
| HM88630/HM88610A | 25.400×72.233×25.400 | 0.580 |
| 41100/41286 | 25.400×72.626×24.608 | 0.500 |
| 3189/3120 | 25.400×72.626×30.162 | 0.650 |
| HM88630/HM88612 | 25.400×73.025×26.543 | 0.610 |
| L44645/L44613 | 25.987×51.986×15.011 | 0.140 |
| 15579X/15520 | 25.987×57.150×17.462 | 0.210 |
| 15103/15243 | 26.157×61.912×19.050 | 0.290 |
| 15103/15245 | 26.157×62.000×19.050 | 0.290 |
| 15103-S/15243 | 26.162×61.912×19.050 | 0.290 |
| 2682/2631 | 26.162×66.421×23.812 | 0.430 |
| 1987/1932 | 26.975×58.738×19.050 | 0.240 |
| 1987/1931 | 26.975×60.325×19.355 | 0.270 |
| L44649/L44610 | 26.987×50.292×14.224 | 0.120 |
| L44649/L44613 | 26.987×51.986×15.011 | 0.140 |
| 15580/15520 | 26.987×57.150×17.462 | 0.200 |
| M84549/M84510 | 26.987×57.150×19.431 | 0.230 |
| 1997X/1922 | 26.988×57.150×19.845 | 0.230 |
| 15580/15523 | 26.987×60.325×19.842 | 0.260 |
| 15106/15245 | 26.987×62.000×19.050 | 0.290 |
| 15106/15250X | 26.987×63.500×20.638 | 0.320 |
| 2688/2631 | 26.987×66.421×23.812 | 0.430 |
| 41106/41286 | 26.987×72.626×24.608 | 0.480 |
Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.
Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.
A quick review of Taper Roller Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.
Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.
1. Sea shipping for mass cargos (GW > 500KGS)
2. Air shipping (GW between 100KGS – 500 KGS)
3. Express, such as DHL, TNT, Fedex, UPS for small cargos ( GW < 100KGS)
4. If you have shipping agent in China, we can send goods to your shipping agent's warehouse
We accept T/T, W/U, PAYPAL, L/C etc
Buyer FAQ
Confirm the bearing number, bore size, outside diameter, width, seal or shield type, cage material, clearance, precision level, quantity, and application. These details help prevent a size match from becoming a performance mismatch.
Yes. Replacement and repeat orders are easier when the original marking, measured dimensions, photos, application, and quantity are available. If the marking is unclear, the team can start from the size and working condition.
This item is handled within the Taper Roller Bearings family. Comparing the family page can help buyers review similar sizes, seal options, load direction, and related bearing choices before requesting a quote.
Price and lead time can change with quantity, stock availability, precision grade, clearance, material, cage, seal or shield type, lubrication, packaging, and whether the order needs standard matching or custom production.
Inspection can include material review, dimensional measurement, noise and vibration checks, surface and crack checks, visual review, and packaging inspection according to the confirmed order requirements.
Need help checking fit, price, or lead time? Request a bearing quote
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