Cylindrical Roller Bearings

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Cylindrical Roller Bearings models
Feature
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Cylindrical Roller Bearings

Features:
Cylindrical roller bearing make a perfect match for use in machine tool spindles. Especially single row and double row cylindrical roller bearings either have a cylindrical bore or a tapered bore.Double row cylindrical roller bearings with tapered bore are often mounted to the main shaft as a fix end bearing .Simplicity in design and the ability to adjust radial internal clearance after mounting continue to make these bearings popular amoung machine tool users.

1. Optimized internal design allows high speed operation and limits temperature increase.
2. Special resin cage is suitable for high-speed operation.

■ Double row cylindrical roller bearings:
MB: Roller guided machined brass cage ;operational temperature limit =300 degrees
MR: Roller guided machined brass cage
TB:Roller guided PPS resin cage;operational temperature limit =220 degrees
NN:Double row cylindrical roller bearing with triple-ribbed inner ring.
NNU: Double row cylindrical roller bearing with triple-ribbed Outer ring.
N: Single row cylindrical roller bearing with double-ribbed inner ring.
CC1 :standard clearance for cylindrical bore
CC0 :standard clearance for tapered bore
CCG:Special radial clearance

■ High precision single row cylindrical roller bearings :
High precision single roe cylindrical roller bearings same as its double row types, normally used on main spindle machines. Single row cylindrical roller bearing type ,its structure normally come with N series,such as N10HSR .This type bearing can reliably run at a higher speed with grease lubrication. The grease lubrication system greatly contributes to reduction in pollution of the surrounding environments by virtually eliminating oil mist.

Parameter:
d D B Cylindrical bore Tapered bore Weight (kg) Grade
25 47 16 NN3005 NN2005K 0.127 P5 P4
30 55 19 NN3006 NN3006K 0.198 P5 P4
35 62 20 NN3007 NN3007K 0.258 P5 P4
40 68 21 NN3008 NN3008K 0.309 P5 P4
45 75 23 NN3009 NN3009K 0.407 P5 P4
50 80 23 NN3010 NN3010K 0.436 P5 P4
55 90 26 NN3011 NN3011K 0.647 P5 P4
60 95 26 NN3012 NN3012K 0.693 P5 P4
65 100 26 NN3013 NN3013K 0.741 P5 P4
70 110 30 NN3014 NN3014K 1.06 P5 P4
75 115 30 NN3015 NN3015K 1.11 P5 P4
80 125 34 NN3016 NN3016K 1.54 P5 P4
85 130 34 NN3017 NN3017K 1.63 P5 P4
90 140 37 NN3018 NN3018K 2.09 P5 P4
95 145 37 NN3019 NN3019K 2.19 P5 P4
100 140 40 NNU4920 NNU4920K 1.9 P5 P4
100 150 37 NN3020 NN3020K 2.28 P5 P4
105 145 40 NNU4921 NNU4921K 1.99 P5 P4
105 160 41 NN3021 NN3021K 2.88 P5 P4
110 150 40 NNU4922 NNU4922K 2.07 P5 P4
110 170 45 NN3022 NN3022K 3.71 P5 P4
120 165 45 NNU4924 NNU4924K 2.85 P5 P4
120 180 46 NN3024 NN3024K 4.04 P5 P4
130 180 50 NNU4926 NNU4926K 3.85 P5 P4
130 200 52 NN3026 NN3026K 5.88 P5 P4
140 190 50 NNU4928 NNU4928K 4.08 P5 P4
140 210 53 NN3028 NN3028K 6.34 P5 P4
d D B Cylindrical bore Tapered bore Weight (kg) Grade
25 47 16 NN3005 NN2005K 0.127 P5 P4
30 55 19 NN3006 NN3006K 0.198 P5 P4
35 62 20 NN3007 NN3007K 0.258 P5 P4
40 68 21 NN3008 NN3008K 0.309 P5 P4
45 75 23 NN3009 NN3009K 0.407 P5 P4
50 80 23 NN3010 NN3010K 0.436 P5 P4
55 90 26 NN3011 NN3011K 0.647 P5 P4
60 95 26 NN3012 NN3012K 0.693 P5 P4
65 100 26 NN3013 NN3013K 0.741 P5 P4
70 110 30 NN3014 NN3014K 1.06 P5 P4
75 115 30 NN3015 NN3015K 1.11 P5 P4
80 125 34 NN3016 NN3016K 1.54 P5 P4
85 130 34 NN3017 NN3017K 1.63 P5 P4
90 140 37 NN3018 NN3018K 2.09 P5 P4
95 145 37 NN3019 NN3019K 2.19 P5 P4
100 140 40 NNU4920 NNU4920K 1.9 P5 P4
100 150 37 NN3020 NN3020K 2.28 P5 P4
105 145 40 NNU4921 NNU4921K 1.99 P5 P4
105 160 41 NN3021 NN3021K 2.88 P5 P4
110 150 40 NNU4922 NNU4922K 2.07 P5 P4
110 170 45 NN3022 NN3022K 3.71 P5 P4
120 165 45 NNU4924 NNU4924K 2.85 P5 P4
120 180 46 NN3024 NN3024K 4.04 P5 P4
130 180 50 NNU4926 NNU4926K 3.85 P5 P4
130 200 52 NN3026 NN3026K 5.88 P5 P4
140 190 50 NNU4928 NNU4928K 4.08 P5 P4
140 210 53 NN3028 NN3028K 6.34 P5 P4


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