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ITEM NUMBER
NNU4956K
Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NNU
d280,000 mmBore
D380,000 mmOutside diameter
B100,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
infos@catson.com.vn
TECHNICAL DATA
Specifications for NNU4956K
Units
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Bore Type
- Tapered
- Material
- Hardened Alloy Steel
- Cage Material
- High Strength, 2 piece, Machined Brass
- Limiting Speed - Oil
- 1700.0 RPM
- Limiting Speed - Grease
- 1400 RPM
- Taper
- 1:12
- Precision
- ISO Class 0
- Tolerance
- ISO Class 0 (RBEC 1)
- Oil Hole
- w/o Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 2200000 N 495000 lbf
- Dynamic Load Rating
- 925000 N 208000 lbf
- Enclosure
- Open
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 280.000 mm 11.0236 in
- D
- 380.000 mm 14.9606 in
- B
- 100.000 mm 3.9370 in
- C
- 100.000 mm 3.9370 in
- Fw
- 312.000 mm 12.2835 in
- r
- 2.100 mm 0.0827 in
- da min
- 291.000 mm 11.4567 in
- db min
- 299.000 mm 11.7717 in
- Da max
- 369.000 mm 14.5276 in
- Db min
- 359.000 mm 14.1339 in
- Db max
- 369.000 mm 14.5276 in
- ras max
- 2.000 mm 0.0787 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
infos@catson.com.vn
