+86-18866882299     admin@bwkbearing.com
PRODUCT DETAILS

loading

Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
sharethis sharing button

RNU Series Cylindrical Roller Bearings Without Inner Ring

BWK RNU series cylindrical roller bearings use the shaft surface directly as the inner raceway, reducing radial installation space while maintaining high radial load capacity.
Availability:
Quantity:
Inquire Add to Basket

  • RNU204, RNU203, RNU304, RNU205, RNU305, RNU206, RNU306, RNU207, RNU307, RNU208, RNU308, RNU210, RNU310, RNU211, RNU212, RNU214

  • BWK

Product Details

Cylindrical Roller Bearings Without Inner Ring

Cylindrical roller bearings without inner ring omit the conventional inner ring. The shaft surface serves directly as the inner raceway, allowing a compact radial bearing arrangement.


Structure and Features

  • Compact radial installation space

  • High radial load capacity

  • Shaft can function directly as the inner raceway

  • Suitable for precision-machined shaft arrangements

  • RNU and related special variants available

Series: RNU


Applications

Suitable for compact mechanisms where the shaft can be precision-machined, hardened and finished to act directly as the bearing raceway.


RNU_Without_Inner_Ring_Section

Technical Data

Shaft Diameter (mm) Current Designation Original Designation Fw (mm) D (mm) C (mm) rsmin (mm) Dynamic Load Cr (N) Static Load Cor (N) Grease Speed (rpm) Oil Speed (rpm) Weight (kg)
20 RNU204 292204 20 47 14 1.0 15800 13100 13800 16400 0.08000
22 SZ-204
22 32 9 0.3 7800 8100 16000 19000 0.02407
22.1 RNU203ETN1
22.1 40 12 0.6 16900 13800 16000 19000 0.05238
22.9 RNU203 292203 22.9 40 12 0.6 11400 9100 16000 19000 0.06500
25 LRN205/YA 922205 25 52 15 0.6 38400 34700 11400 13800 0.15180
27.5 RNU6/27.5 292604E 27.5 52 21 1.1 42000 38700 9200 11400 0.16850
28 RNU304 292304 28 52 15 1.1 21800 17700 11400 13800 0.11990
32 RNU205 292205 32 52 15 1 17000 14900 11400 13800 0.09660
35 RNU305 292305 35 62 17 1.1 29100 25200 9200 11400 0.17980
38.5 RNU206 292206 38.5 62 16 1 23900 22200 8900 10500 0.15420
42 RNU306 292306 42 72 19 1.1 35900 31900 7800 9200 0.25040
43.8 RNU207 292207 43.8 72 17 1.1 31400 28900 8300 9900 0.22240
46.2 RNU307
46.2 80 21 1.5 46400 43000 7700 9200 0.35760
50 RNU208 292208 50 80 18 1.1 43700 42900 7300 8700 0.27880

RNU208/P6
50 80 18 1.1 43700 42900 7300 8700 0.27880
53.5 RNU308
53.5 90 23 1.5 58600 56900 6600 7900 0.49730
60.4 RNU210 292210 60.4 90 20 1.1 48100 50900 6600 7900 0.33940
65 RNU310 292310 65 110 27 2 88900 88800 5400 6300 0.85300
66.5 RNU211
66.5 100 21 1.5 57900 62200 6000 7100 0.45810
73.5 RNU212 292212 73.5 110 22 1.5 71800 79800 5400 6500 0.58812
84.5 RNU214
84.5 125 24 1.5 82100 93500 4800 5700 0.84500
96.5 RNU1017 292117 96.5 130 22 1.1 68900 86800 4500 5400 0.71800
Previous: 
Next: 
RNU series cylindrical roller bearings RNU204 RNU205 RNU206 RNU207 RNU208 RNU210 RNU212 RNU214 bearing without inner ring