Needle roller bearings contain long narrow rollers formed in a cylindrical shape. These types of needle rollers allow for contact with large surface areas on the outer ring. Needle bearings are frequently used in the automotive industry, due to their compact design, which is much smaller than other cylindrical rollers. Rocker arm pivots, drive shafts, transmissions, and compressors are all applications that employ needle roller bearings.

MR series heavy duty needle roller bearings, which can bemore

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Inner Ring Part No.

(B) Dimension

(D) Dimension

(W) Dimension

(H) Hole Dia.

Stationary Shaft Dia.

Rotating Shaft Dia.

Complete Assembly Item #

N/A 0.3750 in N/A 1.1250 in N/A 1.000 in N/A 5/64 in N/A 0.3747 in N/A 0.3755 in N/A MR-10-SS
N/A 1/2 in N/A 1-1/4 in N/A 1.000 in N/A 5/64 in N/A 0.4997 in N/A 0.5005 in N/A MR-12-SS
N/A 0.6250 in N/A 1.3750 in N/A 1.000 in N/A 5/64 in N/A 0.6247 in N/A 0.6255 in N/A MR-14-SS
N/A 0.8125 in N/A 1-1/2 in N/A 1.000 in N/A 5/64 in N/A 0.7497 in N/A 0.7505 in N/A MR-16-SS
N/A 0.8125 in N/A 1-1/2 in N/A 1.000 in N/A 5/64 in N/A 0.8121 in N/A 0.8129 in N/A MR-16-SS
N/A 0.9375 in N/A 1- 5/8 in N/A 1.250 in N/A 3/32 in N/A 0.8746 in N/A 0.8754 in N/A MR-18-SS
N/A 0.9375 in N/A 1- 5/8 in N/A 1.250 in N/A 3/32 in N/A 0.9371 in N/A 0.9379 in N/A MR-18-SS
N/A 1.0000 in N/A 1.7500 in N/A 1.250 in N/A 3/32 in N/A 0.9996 in N/A 1.0004 in N/A MR-20-SS
N/A 1.0625 in N/A 1.8750 in N/A 1.250 in N/A 3/32 in N/A 1.0621 in N/A 1.0630 in N/A MR-22-SS
N/A 1.1250 in N/A 1.8750 in N/A 1.250 in N/A 3/32 in N/A 1.1246 in N/A 1.1255 in N/A MR-22-SS
N/A 1.1875 in N/A 2.0625 in N/A 1.250 in N/A 3/32 in N/A 1.1871 in N/A 1.1880 in N/A MR-24-SS
N/A 1.2500 in N/A 2.0625 in N/A 1.250 in N/A 3/32 in N/A 1.2496 in N/A 1.2505 in N/A MR-24-SS
N/A 1.3125 in N/A 2.1875 in N/A 1.250 in N/A 3/32 in N/A 1.3121 in N/A 1.3130 in N/A MR-26-SS
N/A 1.3750 in N/A 2.1875 in N/A 1.250 in N/A 3/32 in N/A 1.3746 in N/A 1.3755 in N/A MR-26-SS
N/A 1.3750 in N/A 2.3125 in N/A 1.250 in N/A 3/32 in N/A 1.3746 in N/A 1.3755 in N/A MR-28-SS
N/A 1.4375 in N/A 2.3125 in N/A 1.250 in N/A 3/32 in N/A 1.4371 in N/A 1.4380 in N/A MR-28-SS
N/A 1.5000 in N/A 2.3125 in N/A 1.250 in N/A 3/32 in N/A 1.4996 in N/A 1.5005 in N/A MR-28-SS
N/A 1.5625 in N/A 2.4375 in N/A 1.250 in N/A 3/32 in N/A 1.5621 in N/A 1.5630 in N/A MR-30-SS
N/A 1.5625 in N/A 2.5625 in N/A 1.250 in N/A 3/32 in N/A 1.5621 in N/A 1.5630 in N/A MR-32-SS
N/A 1.6250 in N/A 2.5625 in N/A 1.250 in N/A 3/32 in N/A 1.6246 in N/A 1.6255 in N/A MR-32-SS
N/A 1.6875 in N/A 2.5625 in N/A 1.250 in N/A 3/32 in N/A 1.6371 in N/A 1.6880 in N/A MR-32-SS
N/A 1.7500 in N/A 3.0000 in N/A 1.750 in N/A 1/8 in N/A 1.7496 in N/A 1.7505 in N/A MR-36-SS
N/A 1.8750 in N/A 3.0000 in N/A 1.750 in N/A 1/8 in N/A 1.8746 in N/A 1.8755 in N/A MR-36-SS
N/A 1.9375 in N/A 3.2500 in N/A 1.750 in N/A 1/8 in N/A 1.9371 in N/A 1.9380 in N/A MR-40-SS
N/A 2.0000 in N/A 3.2500 in N/A 1.750 in N/A 1/8 in N/A 1.9996 in N/A 2.0005 in N/A MR-40-SS
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