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31307 A

Image for Illustration purposes only. Actual product may vary

Rollway 31307 A 35 mm Bore Size, 80 mm Outside Diameter, Radial Tapered Roller Bearing, Metric, High Chromium Bearing Steel, Normal Radial Clearance

35 mm Bore Size, 80 mm Outside Diameter, Radial Tapered Roller Bearing, Metric, High Chromium Bearing Steel, Normal Radial Clearance

MODEL 31307 A

BRAND

SKU

2300942

WEIGHT

1.180 lb

UOM

each

UPC

637410075962

This product has a minimum order quantity of (100 minimum) This is the minimum order quantity available when purchasing this product.

Contact supplier for technical support on: 800-626-2120

$107.76 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Bore Size (mm)

35

Bore Type

Straight

Cage Material

Steel

Duplexing

No

Dynamic Load Rating (kN)

67.9

Dynamic Load Rating (lb)

15265

Full Complement/Caged

Caged

Height

3.15

Length

3.15

Material

High Chromium Bearing Steel

Misalignment

No

Number of Rows

1

O.D. (mm)

80

Overall Width (mm)

22.8

Platform

Tapered Radial Roller

Radial Clearance

Normal

Rolling Element

Tapered Roller

Seal Type

Unsealed

Sealed

None

Speed [Max] Grease (RPM)

4500

Speed [Max] Oil (RPM)

6000

Static Load Rating (kN)

76.3

Static Load Rating (lb)

17153

Version

A - Increased load capacity

Width

0.9

VersionA - Increased load capacity
Bore (mm)35
EA
1.18
Sale Qty Multiple: 1
Packaged Length: 3.46
Packaged Width: 3.46
Packaged Height: 1.14
No. Links/Ft. : 0
Version: A - Increased load capacity
Bore (mm): 35
Dimensions
Part No31307 A
Description31307 A
d35mm (1.378 inch)
D80mm (3.1496 inch)
T22.75mm (0.8957 inch)
B21mm (0.8268 inch)
C15mm (0.5906 inch)
r1, 22mm (0.0787 inch)
r3, 41.5mm (0.0591 inch)
r50.6mm (0.0236 inch)
a25mm (0.9843 inch)
e0.83mm (0.0327 inch)
Y0.7mm (0.0276 inch)
Y00.4mm (0.0157 inch)
Basic Dynamic Rating Cr67.9kN (15, 265 pounds)
Basic Static Rating Cor76.3kN (17, 153 pounds)
Limiting Speed Grease (RPM)4, 500
Limiting Speed Oil (RPM)6, 000

How do I choose the right type of bearing for my application?

Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.

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